1921103480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1549277}}^1$

素因数の和:1549319

約数の個数: 32

約数和(自身を含む): 4461920640

約数和(自身を除く): 2540817160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1549277, 3098554, 6197108, 7746385, 12394216, 15492770, 30985540, 48027587, 61971080, 96055174, 192110348, 240137935, 384220696, 480275870, 960551740, 1921103480]

約数ペア:

[(1, 1921103480), (2, 960551740), (4, 480275870), (5, 384220696), (8, 240137935), (10, 192110348), (20, 96055174), (31, 61971080), (40, 48027587), (62, 30985540), (124, 15492770), (155, 12394216), (248, 7746385), (310, 6197108), (620, 3098554), (1240, 1549277)]