278637140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{2797}}^1$

素因数の和:3116

約数の個数: 48

約数和(自身を含む): 621894672

約数和(自身を除く): 343257532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 293, 340, 586, 1172, 1465, 2797, 2930, 4981, 5594, 5860, 9962, 11188, 13985, 19924, 24905, 27970, 47549, 49810, 55940, 95098, 99620, 190196, 237745, 475490, 819521, 950980, 1639042, 3278084, 4097605, 8195210, 13931857, 16390420, 27863714, 55727428, 69659285, 139318570, 278637140]

約数ペア:

[(1, 278637140), (2, 139318570), (4, 69659285), (5, 55727428), (10, 27863714), (17, 16390420), (20, 13931857), (34, 8195210), (68, 4097605), (85, 3278084), (170, 1639042), (293, 950980), (340, 819521), (586, 475490), (1172, 237745), (1465, 190196), (2797, 99620), (2930, 95098), (4981, 55940), (5594, 49810), (5860, 47549), (9962, 27970), (11188, 24905), (13985, 19924)]