177839380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 411505920

約数和(自身を除く): 233666540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 71, 85, 106, 139, 142, 170, 212, 265, 278, 284, 340, 355, 530, 556, 695, 710, 901, 1060, 1207, 1390, 1420, 1802, 2363, 2414, 2780, 3604, 3763, 4505, 4726, 4828, 6035, 7367, 7526, 9010, 9452, 9869, 11815, 12070, 14734, 15052, 18020, 18815, 19738, 23630, 24140, 29468, 36835, 37630, 39476, 47260, 49345, 63971, 73670, 75260, 98690, 125239, 127942, 147340, 167773, 197380, 250478, 255884, 319855, 335546, 500956, 523057, 626195, 639710, 671092, 838865, 1046114, 1252390, 1279420, 1677730, 2092228, 2504780, 2615285, 3355460, 5230570, 8891969, 10461140, 17783938, 35567876, 44459845, 88919690, 177839380]

約数ペア:

[(1, 177839380), (2, 88919690), (4, 44459845), (5, 35567876), (10, 17783938), (17, 10461140), (20, 8891969), (34, 5230570), (53, 3355460), (68, 2615285), (71, 2504780), (85, 2092228), (106, 1677730), (139, 1279420), (142, 1252390), (170, 1046114), (212, 838865), (265, 671092), (278, 639710), (284, 626195), (340, 523057), (355, 500956), (530, 335546), (556, 319855), (695, 255884), (710, 250478), (901, 197380), (1060, 167773), (1207, 147340), (1390, 127942), (1420, 125239), (1802, 98690), (2363, 75260), (2414, 73670), (2780, 63971), (3604, 49345), (3763, 47260), (4505, 39476), (4726, 37630), (4828, 36835), (6035, 29468), (7367, 24140), (7526, 23630), (9010, 19738), (9452, 18815), (9869, 18020), (11815, 15052), (12070, 14734)]