400526460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 1370612880

約数和(自身を除く): 970086420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 83, 85, 90, 95, 102, 114, 153, 166, 170, 171, 180, 190, 204, 228, 249, 255, 285, 306, 323, 332, 340, 342, 380, 415, 498, 510, 570, 612, 646, 684, 747, 765, 830, 855, 969, 996, 1020, 1140, 1245, 1292, 1411, 1494, 1530, 1577, 1615, 1660, 1710, 1938, 2490, 2822, 2907, 2988, 3060, 3154, 3230, 3420, 3735, 3876, 4233, 4731, 4845, 4980, 5644, 5814, 6308, 6460, 6889, 7055, 7470, 7885, 8466, 9462, 9690, 11628, 12699, 13778, 14110, 14193, 14535, 14940, 15770, 16932, 18924, 19380, 20667, 21165, 23655, 25398, 26809, 27556, 28220, 28386, 29070, 31540, 34445, 41334, 42330, 47310, 50796, 53618, 56772, 58140, 62001, 63495, 68890, 70965, 80427, 82668, 84660, 94620, 103335, 107236, 117113, 124002, 126990, 130891, 134045, 137780, 141930, 160854, 206670, 234226, 241281, 248004, 253980, 261782, 268090, 283860, 310005, 321708, 351339, 392673, 402135, 413340, 468452, 482562, 523564, 536180, 585565, 620010, 654455, 702678, 785346, 804270, 965124, 1054017, 1171130, 1178019, 1206405, 1240020, 1308910, 1405356, 1570692, 1608540, 1756695, 1963365, 2108034, 2225147, 2342260, 2356038, 2412810, 2617820, 3513390, 3926730, 4216068, 4450294, 4712076, 4825620, 5270085, 5890095, 6675441, 7026780, 7853460, 8900588, 10540170, 11125735, 11780190, 13350882, 20026323, 21080340, 22251470, 23560380, 26701764, 33377205, 40052646, 44502940, 66754410, 80105292, 100131615, 133508820, 200263230, 400526460]

約数ペア:

[(1, 400526460), (2, 200263230), (3, 133508820), (4, 100131615), (5, 80105292), (6, 66754410), (9, 44502940), (10, 40052646), (12, 33377205), (15, 26701764), (17, 23560380), (18, 22251470), (19, 21080340), (20, 20026323), (30, 13350882), (34, 11780190), (36, 11125735), (38, 10540170), (45, 8900588), (51, 7853460), (57, 7026780), (60, 6675441), (68, 5890095), (76, 5270085), (83, 4825620), (85, 4712076), (90, 4450294), (95, 4216068), (102, 3926730), (114, 3513390), (153, 2617820), (166, 2412810), (170, 2356038), (171, 2342260), (180, 2225147), (190, 2108034), (204, 1963365), (228, 1756695), (249, 1608540), (255, 1570692), (285, 1405356), (306, 1308910), (323, 1240020), (332, 1206405), (340, 1178019), (342, 1171130), (380, 1054017), (415, 965124), (498, 804270), (510, 785346), (570, 702678), (612, 654455), (646, 620010), (684, 585565), (747, 536180), (765, 523564), (830, 482562), (855, 468452), (969, 413340), (996, 402135), (1020, 392673), (1140, 351339), (1245, 321708), (1292, 310005), (1411, 283860), (1494, 268090), (1530, 261782), (1577, 253980), (1615, 248004), (1660, 241281), (1710, 234226), (1938, 206670), (2490, 160854), (2822, 141930), (2907, 137780), (2988, 134045), (3060, 130891), (3154, 126990), (3230, 124002), (3420, 117113), (3735, 107236), (3876, 103335), (4233, 94620), (4731, 84660), (4845, 82668), (4980, 80427), (5644, 70965), (5814, 68890), (6308, 63495), (6460, 62001), (6889, 58140), (7055, 56772), (7470, 53618), (7885, 50796), (8466, 47310), (9462, 42330), (9690, 41334), (11628, 34445), (12699, 31540), (13778, 29070), (14110, 28386), (14193, 28220), (14535, 27556), (14940, 26809), (15770, 25398), (16932, 23655), (18924, 21165), (19380, 20667)]