72979390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1901}}^1$

素因数の和:2268

約数の個数: 32

約数和(自身を含む): 143791200

約数和(自身を除く): 70811810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 349, 698, 1745, 1901, 3490, 3802, 3839, 7678, 9505, 19010, 19195, 20911, 38390, 41822, 104555, 209110, 663449, 1326898, 3317245, 6634490, 7297939, 14595878, 36489695, 72979390]

約数ペア:

[(1, 72979390), (2, 36489695), (5, 14595878), (10, 7297939), (11, 6634490), (22, 3317245), (55, 1326898), (110, 663449), (349, 209110), (698, 104555), (1745, 41822), (1901, 38390), (3490, 20911), (3802, 19195), (3839, 19010), (7678, 9505)]