20228749240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:462

約数の個数: 256

約数和(自身を含む): 54716497920

約数和(自身を除く): 34487748680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 61, 70, 94, 113, 122, 140, 188, 223, 226, 235, 244, 280, 305, 329, 376, 427, 446, 452, 470, 488, 565, 610, 658, 791, 854, 892, 904, 940, 1115, 1130, 1220, 1316, 1561, 1582, 1645, 1708, 1784, 1880, 2135, 2230, 2260, 2440, 2632, 2867, 3122, 3164, 3290, 3416, 3955, 4270, 4460, 4520, 5311, 5734, 6244, 6328, 6580, 6893, 7805, 7910, 8540, 8920, 10481, 10622, 11468, 12488, 13160, 13603, 13786, 14335, 15610, 15820, 17080, 20069, 20962, 21244, 22936, 25199, 26555, 27206, 27572, 28670, 31220, 31640, 34465, 37177, 40138, 41924, 42488, 48251, 50398, 52405, 53110, 54412, 55144, 57340, 62440, 68015, 68930, 73367, 74354, 80276, 83848, 95221, 96502, 100345, 100796, 104810, 106220, 108824, 114680, 125995, 136030, 137860, 146734, 148708, 160552, 176393, 185885, 190442, 193004, 200690, 201592, 209620, 212440, 241255, 251990, 272060, 275720, 293468, 297416, 323971, 352786, 366835, 371770, 380884, 386008, 401380, 419240, 476105, 482510, 503980, 544120, 586936, 639341, 647942, 705572, 733670, 743540, 761768, 802760, 881965, 952210, 965020, 1007960, 1184353, 1278682, 1295884, 1411144, 1467340, 1487080, 1537139, 1619855, 1763930, 1904420, 1930040, 2267797, 2368706, 2557364, 2591768, 2934680, 3074278, 3196705, 3239710, 3527860, 3808840, 4475387, 4535594, 4737412, 5114728, 5921765, 6148556, 6393410, 6479420, 7055720, 7685695, 8290471, 8950774, 9071188, 9474824, 10759973, 11338985, 11843530, 12297112, 12786820, 12958840, 15371390, 16580942, 17901548, 18142376, 21519946, 22376935, 22677970, 23687060, 25573640, 30742780, 33161884, 35803096, 41452355, 43039892, 44753870, 45355940, 47374120, 53799865, 61485560, 66323768, 72245533, 82904710, 86079784, 89507740, 90711880, 107599730, 144491066, 165809420, 179015480, 215199460, 288982132, 331618840, 361227665, 430398920, 505718731, 577964264, 722455330, 1011437462, 1444910660, 2022874924, 2528593655, 2889821320, 4045749848, 5057187310, 10114374620, 20228749240]

約数ペア:

[(1, 20228749240), (2, 10114374620), (4, 5057187310), (5, 4045749848), (7, 2889821320), (8, 2528593655), (10, 2022874924), (14, 1444910660), (20, 1011437462), (28, 722455330), (35, 577964264), (40, 505718731), (47, 430398920), (56, 361227665), (61, 331618840), (70, 288982132), (94, 215199460), (113, 179015480), (122, 165809420), (140, 144491066), (188, 107599730), (223, 90711880), (226, 89507740), (235, 86079784), (244, 82904710), (280, 72245533), (305, 66323768), (329, 61485560), (376, 53799865), (427, 47374120), (446, 45355940), (452, 44753870), (470, 43039892), (488, 41452355), (565, 35803096), (610, 33161884), (658, 30742780), (791, 25573640), (854, 23687060), (892, 22677970), (904, 22376935), (940, 21519946), (1115, 18142376), (1130, 17901548), (1220, 16580942), (1316, 15371390), (1561, 12958840), (1582, 12786820), (1645, 12297112), (1708, 11843530), (1784, 11338985), (1880, 10759973), (2135, 9474824), (2230, 9071188), (2260, 8950774), (2440, 8290471), (2632, 7685695), (2867, 7055720), (3122, 6479420), (3164, 6393410), (3290, 6148556), (3416, 5921765), (3955, 5114728), (4270, 4737412), (4460, 4535594), (4520, 4475387), (5311, 3808840), (5734, 3527860), (6244, 3239710), (6328, 3196705), (6580, 3074278), (6893, 2934680), (7805, 2591768), (7910, 2557364), (8540, 2368706), (8920, 2267797), (10481, 1930040), (10622, 1904420), (11468, 1763930), (12488, 1619855), (13160, 1537139), (13603, 1487080), (13786, 1467340), (14335, 1411144), (15610, 1295884), (15820, 1278682), (17080, 1184353), (20069, 1007960), (20962, 965020), (21244, 952210), (22936, 881965), (25199, 802760), (26555, 761768), (27206, 743540), (27572, 733670), (28670, 705572), (31220, 647942), (31640, 639341), (34465, 586936), (37177, 544120), (40138, 503980), (41924, 482510), (42488, 476105), (48251, 419240), (50398, 401380), (52405, 386008), (53110, 380884), (54412, 371770), (55144, 366835), (57340, 352786), (62440, 323971), (68015, 297416), (68930, 293468), (73367, 275720), (74354, 272060), (80276, 251990), (83848, 241255), (95221, 212440), (96502, 209620), (100345, 201592), (100796, 200690), (104810, 193004), (106220, 190442), (108824, 185885), (114680, 176393), (125995, 160552), (136030, 148708), (137860, 146734)]