72617770

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 133358400

約数和(自身を除く): 60740630

約数列:

[1, 2, 5, 10, 89, 139, 178, 278, 445, 587, 695, 890, 1174, 1390, 2935, 5870, 12371, 24742, 52243, 61855, 81593, 104486, 123710, 163186, 261215, 407965, 522430, 815930, 7261777, 14523554, 36308885, 72617770]

約数ペア:

[(1, 72617770), (2, 36308885), (5, 14523554), (10, 7261777), (89, 815930), (139, 522430), (178, 407965), (278, 261215), (445, 163186), (587, 123710), (695, 104486), (890, 81593), (1174, 61855), (1390, 52243), (2935, 24742), (5870, 12371)]