138815710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3961

約数の個数: 64

約数和(自身を含む): 303886080

約数和(自身を除く): 165070370

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 646, 935, 1045, 1615, 1870, 2090, 3230, 3553, 3907, 7106, 7814, 17765, 19535, 35530, 39070, 42977, 66419, 74233, 85954, 132838, 148466, 214885, 332095, 371165, 429770, 664190, 730609, 742330, 816563, 1261961, 1461218, 1633126, 2523922, 3653045, 4082815, 6309805, 7306090, 8165630, 12619610, 13881571, 27763142, 69407855, 138815710]

約数ペア:

[(1, 138815710), (2, 69407855), (5, 27763142), (10, 13881571), (11, 12619610), (17, 8165630), (19, 7306090), (22, 6309805), (34, 4082815), (38, 3653045), (55, 2523922), (85, 1633126), (95, 1461218), (110, 1261961), (170, 816563), (187, 742330), (190, 730609), (209, 664190), (323, 429770), (374, 371165), (418, 332095), (646, 214885), (935, 148466), (1045, 132838), (1615, 85954), (1870, 74233), (2090, 66419), (3230, 42977), (3553, 39070), (3907, 35530), (7106, 19535), (7814, 17765)]