319902910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{12791}}^1$

素因数の和:12900

約数の個数: 32

約数和(自身を含む): 599586624

約数和(自身を除く): 279683714

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 610, 2501, 5002, 12505, 12791, 25010, 25582, 63955, 127910, 524431, 780251, 1048862, 1560502, 2622155, 3901255, 5244310, 7802510, 31990291, 63980582, 159951455, 319902910]

約数ペア:

[(1, 319902910), (2, 159951455), (5, 63980582), (10, 31990291), (41, 7802510), (61, 5244310), (82, 3901255), (122, 2622155), (205, 1560502), (305, 1048862), (410, 780251), (610, 524431), (2501, 127910), (5002, 63955), (12505, 25582), (12791, 25010)]