12523900

素因数分解:

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

素因数の和:223

約数の個数: 72

約数和(自身を含む): 29529360

約数和(自身を除く): 17005460

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 53, 68, 85, 100, 106, 139, 170, 212, 265, 278, 340, 425, 530, 556, 695, 850, 901, 1060, 1325, 1390, 1700, 1802, 2363, 2650, 2780, 3475, 3604, 4505, 4726, 5300, 6950, 7367, 9010, 9452, 11815, 13900, 14734, 18020, 22525, 23630, 29468, 36835, 45050, 47260, 59075, 73670, 90100, 118150, 125239, 147340, 184175, 236300, 250478, 368350, 500956, 626195, 736700, 1252390, 2504780, 3130975, 6261950, 12523900]

約数ペア:

[(1, 12523900), (2, 6261950), (4, 3130975), (5, 2504780), (10, 1252390), (17, 736700), (20, 626195), (25, 500956), (34, 368350), (50, 250478), (53, 236300), (68, 184175), (85, 147340), (100, 125239), (106, 118150), (139, 90100), (170, 73670), (212, 59075), (265, 47260), (278, 45050), (340, 36835), (425, 29468), (530, 23630), (556, 22525), (695, 18020), (850, 14734), (901, 13900), (1060, 11815), (1325, 9452), (1390, 9010), (1700, 7367), (1802, 6950), (2363, 5300), (2650, 4726), (2780, 4505), (3475, 3604)]