196193840

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7027}}^1$

素因数の和:7389

約数の個数: 40

約数和(自身を含む): 457522800

約数和(自身を除く): 261328960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 7027, 13960, 14054, 27920, 28108, 35135, 56216, 70270, 112432, 140540, 281080, 562160, 2452423, 4904846, 9809692, 12262115, 19619384, 24524230, 39238768, 49048460, 98096920, 196193840]

約数ペア:

[(1, 196193840), (2, 98096920), (4, 49048460), (5, 39238768), (8, 24524230), (10, 19619384), (16, 12262115), (20, 9809692), (40, 4904846), (80, 2452423), (349, 562160), (698, 281080), (1396, 140540), (1745, 112432), (2792, 70270), (3490, 56216), (5584, 35135), (6980, 28108), (7027, 27920), (13960, 14054)]