90365870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6553}}^1$

素因数の和:6764

約数の個数: 32

約数和(自身を含む): 186867648

約数和(自身を除く): 96501778

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6553, 6895, 13106, 13790, 32765, 45871, 65530, 91742, 229355, 458710, 1290941, 2581882, 6454705, 9036587, 12909410, 18073174, 45182935, 90365870]

約数ペア:

[(1, 90365870), (2, 45182935), (5, 18073174), (7, 12909410), (10, 9036587), (14, 6454705), (35, 2581882), (70, 1290941), (197, 458710), (394, 229355), (985, 91742), (1379, 65530), (1970, 45871), (2758, 32765), (6553, 13790), (6895, 13106)]