17779450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1651

約数の個数: 48

約数和(自身を含む): 37731960

約数和(自身を除く): 19952510

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1609, 2210, 3218, 5525, 8045, 11050, 16090, 20917, 27353, 40225, 41834, 54706, 80450, 104585, 136765, 209170, 273530, 355589, 522925, 683825, 711178, 1045850, 1367650, 1777945, 3555890, 8889725, 17779450]

約数ペア:

[(1, 17779450), (2, 8889725), (5, 3555890), (10, 1777945), (13, 1367650), (17, 1045850), (25, 711178), (26, 683825), (34, 522925), (50, 355589), (65, 273530), (85, 209170), (130, 136765), (170, 104585), (221, 80450), (325, 54706), (425, 41834), (442, 40225), (650, 27353), (850, 20917), (1105, 16090), (1609, 11050), (2210, 8045), (3218, 5525)]