90812890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7499}}^1$

素因数の和:7686

約数の個数: 32

約数和(自身を含む): 187920000

約数和(自身を除く): 97107110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1730, 2422, 6055, 7499, 12110, 14998, 37495, 52493, 74990, 104986, 262465, 524930, 1297327, 2594654, 6486635, 9081289, 12973270, 18162578, 45406445, 90812890]

約数ペア:

[(1, 90812890), (2, 45406445), (5, 18162578), (7, 12973270), (10, 9081289), (14, 6486635), (35, 2594654), (70, 1297327), (173, 524930), (346, 262465), (865, 104986), (1211, 74990), (1730, 52493), (2422, 37495), (6055, 14998), (7499, 12110)]