199195460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18899}}^1$

素因数の和:18956

約数の個数: 48

約数和(自身を含む): 457228800

約数和(自身を除く): 258033340

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 18899, 37798, 75596, 94495, 188990, 321283, 377980, 585869, 642566, 1171738, 1285132, 1606415, 2343476, 2929345, 3212830, 5858690, 6425660, 9959773, 11717380, 19919546, 39839092, 49798865, 99597730, 199195460]

約数ペア:

[(1, 199195460), (2, 99597730), (4, 49798865), (5, 39839092), (10, 19919546), (17, 11717380), (20, 9959773), (31, 6425660), (34, 5858690), (62, 3212830), (68, 2929345), (85, 2343476), (124, 1606415), (155, 1285132), (170, 1171738), (310, 642566), (340, 585869), (527, 377980), (620, 321283), (1054, 188990), (2108, 94495), (2635, 75596), (5270, 37798), (10540, 18899)]