67120420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4660

約数の個数: 48

約数和(自身を含む): 152748288

約数和(自身を除く): 85627868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 4591, 7310, 9182, 14620, 18364, 22955, 45910, 78047, 91820, 156094, 197413, 312188, 390235, 394826, 780470, 789652, 987065, 1560940, 1974130, 3356021, 3948260, 6712042, 13424084, 16780105, 33560210, 67120420]

約数ペア:

[(1, 67120420), (2, 33560210), (4, 16780105), (5, 13424084), (10, 6712042), (17, 3948260), (20, 3356021), (34, 1974130), (43, 1560940), (68, 987065), (85, 789652), (86, 780470), (170, 394826), (172, 390235), (215, 312188), (340, 197413), (430, 156094), (731, 91820), (860, 78047), (1462, 45910), (2924, 22955), (3655, 18364), (4591, 14620), (7310, 9182)]