312654890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{7219}}^1$

素因数の和:7358

約数の個数: 32

約数和(自身を含む): 580141440

約数和(自身を除く): 267486550

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 4331, 7219, 8662, 14438, 21655, 36095, 43310, 72190, 440359, 512549, 880718, 1025098, 2201795, 2562745, 4403590, 5125490, 31265489, 62530978, 156327445, 312654890]

約数ペア:

[(1, 312654890), (2, 156327445), (5, 62530978), (10, 31265489), (61, 5125490), (71, 4403590), (122, 2562745), (142, 2201795), (305, 1025098), (355, 880718), (610, 512549), (710, 440359), (4331, 72190), (7219, 43310), (8662, 36095), (14438, 21655)]