27780830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 63106560

約数和(自身を除く): 35325730

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 109, 110, 154, 218, 331, 385, 545, 662, 763, 770, 1090, 1199, 1526, 1655, 2317, 2398, 3310, 3641, 3815, 4634, 5995, 7282, 7630, 8393, 11585, 11990, 16786, 18205, 23170, 25487, 36079, 36410, 41965, 50974, 72158, 83930, 127435, 180395, 252553, 254870, 360790, 396869, 505106, 793738, 1262765, 1984345, 2525530, 2778083, 3968690, 5556166, 13890415, 27780830]

約数ペア:

[(1, 27780830), (2, 13890415), (5, 5556166), (7, 3968690), (10, 2778083), (11, 2525530), (14, 1984345), (22, 1262765), (35, 793738), (55, 505106), (70, 396869), (77, 360790), (109, 254870), (110, 252553), (154, 180395), (218, 127435), (331, 83930), (385, 72158), (545, 50974), (662, 41965), (763, 36410), (770, 36079), (1090, 25487), (1199, 23170), (1526, 18205), (1655, 16786), (2317, 11990), (2398, 11585), (3310, 8393), (3641, 7630), (3815, 7282), (4634, 5995)]