688002920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 256

約数和(自身を含む): 1940889600

約数和(自身を除く): 1252886680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 47, 55, 68, 76, 85, 88, 94, 95, 103, 110, 136, 152, 170, 187, 188, 190, 206, 209, 220, 235, 323, 340, 374, 376, 380, 412, 418, 440, 470, 515, 517, 646, 680, 748, 760, 799, 824, 836, 893, 935, 940, 1030, 1034, 1045, 1133, 1292, 1496, 1598, 1615, 1672, 1751, 1786, 1870, 1880, 1957, 2060, 2068, 2090, 2266, 2584, 2585, 3196, 3230, 3502, 3553, 3572, 3740, 3914, 3995, 4120, 4136, 4180, 4465, 4532, 4841, 5170, 5665, 6392, 6460, 7004, 7106, 7144, 7480, 7828, 7990, 8360, 8755, 8789, 8930, 9064, 9682, 9785, 9823, 10340, 11330, 12920, 14008, 14212, 15181, 15656, 15980, 17510, 17578, 17765, 17860, 19261, 19364, 19570, 19646, 20680, 21527, 22660, 24205, 28424, 30362, 31960, 33269, 35020, 35156, 35530, 35720, 38522, 38728, 39140, 39292, 43054, 43945, 45320, 48410, 49115, 53251, 60724, 66538, 70040, 70312, 71060, 75905, 77044, 78280, 78584, 82297, 86108, 87890, 91979, 96305, 96820, 98230, 106502, 107635, 121448, 133076, 142120, 151810, 154088, 164594, 166345, 166991, 172216, 175780, 183958, 192610, 193640, 196460, 213004, 215270, 266152, 266255, 303620, 329188, 332690, 333982, 351560, 365959, 367916, 385220, 392920, 411485, 426008, 430540, 459895, 532510, 607240, 658376, 665380, 667964, 731918, 735832, 770440, 822970, 834955, 861080, 905267, 919790, 1011769, 1065020, 1330760, 1335928, 1463836, 1563643, 1645940, 1669910, 1810534, 1829795, 1839580, 2023538, 2130040, 2927672, 3127286, 3291880, 3339820, 3621068, 3659590, 3679160, 4047076, 4526335, 5058845, 6254572, 6679640, 7242136, 7319180, 7818215, 8094152, 9052670, 10117690, 12509144, 14638360, 15636430, 17200073, 18105340, 20235380, 31272860, 34400146, 36210680, 40470760, 62545720, 68800292, 86000365, 137600584, 172000730, 344001460, 688002920]

約数ペア:

[(1, 688002920), (2, 344001460), (4, 172000730), (5, 137600584), (8, 86000365), (10, 68800292), (11, 62545720), (17, 40470760), (19, 36210680), (20, 34400146), (22, 31272860), (34, 20235380), (38, 18105340), (40, 17200073), (44, 15636430), (47, 14638360), (55, 12509144), (68, 10117690), (76, 9052670), (85, 8094152), (88, 7818215), (94, 7319180), (95, 7242136), (103, 6679640), (110, 6254572), (136, 5058845), (152, 4526335), (170, 4047076), (187, 3679160), (188, 3659590), (190, 3621068), (206, 3339820), (209, 3291880), (220, 3127286), (235, 2927672), (323, 2130040), (340, 2023538), (374, 1839580), (376, 1829795), (380, 1810534), (412, 1669910), (418, 1645940), (440, 1563643), (470, 1463836), (515, 1335928), (517, 1330760), (646, 1065020), (680, 1011769), (748, 919790), (760, 905267), (799, 861080), (824, 834955), (836, 822970), (893, 770440), (935, 735832), (940, 731918), (1030, 667964), (1034, 665380), (1045, 658376), (1133, 607240), (1292, 532510), (1496, 459895), (1598, 430540), (1615, 426008), (1672, 411485), (1751, 392920), (1786, 385220), (1870, 367916), (1880, 365959), (1957, 351560), (2060, 333982), (2068, 332690), (2090, 329188), (2266, 303620), (2584, 266255), (2585, 266152), (3196, 215270), (3230, 213004), (3502, 196460), (3553, 193640), (3572, 192610), (3740, 183958), (3914, 175780), (3995, 172216), (4120, 166991), (4136, 166345), (4180, 164594), (4465, 154088), (4532, 151810), (4841, 142120), (5170, 133076), (5665, 121448), (6392, 107635), (6460, 106502), (7004, 98230), (7106, 96820), (7144, 96305), (7480, 91979), (7828, 87890), (7990, 86108), (8360, 82297), (8755, 78584), (8789, 78280), (8930, 77044), (9064, 75905), (9682, 71060), (9785, 70312), (9823, 70040), (10340, 66538), (11330, 60724), (12920, 53251), (14008, 49115), (14212, 48410), (15181, 45320), (15656, 43945), (15980, 43054), (17510, 39292), (17578, 39140), (17765, 38728), (17860, 38522), (19261, 35720), (19364, 35530), (19570, 35156), (19646, 35020), (20680, 33269), (21527, 31960), (22660, 30362), (24205, 28424)]