677647540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{5521}}^1$

素因数の和:5585

約数の個数: 72

約数和(自身を含む): 1590534792

約数和(自身を除く): 912887252

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 361, 380, 646, 722, 1292, 1444, 1615, 1805, 3230, 3610, 5521, 6137, 6460, 7220, 11042, 12274, 22084, 24548, 27605, 30685, 55210, 61370, 93857, 104899, 110420, 122740, 187714, 209798, 375428, 419596, 469285, 524495, 938570, 1048990, 1783283, 1877140, 1993081, 2097980, 3566566, 3986162, 7133132, 7972324, 8916415, 9965405, 17832830, 19930810, 33882377, 35665660, 39861620, 67764754, 135529508, 169411885, 338823770, 677647540]

約数ペア:

[(1, 677647540), (2, 338823770), (4, 169411885), (5, 135529508), (10, 67764754), (17, 39861620), (19, 35665660), (20, 33882377), (34, 19930810), (38, 17832830), (68, 9965405), (76, 8916415), (85, 7972324), (95, 7133132), (170, 3986162), (190, 3566566), (323, 2097980), (340, 1993081), (361, 1877140), (380, 1783283), (646, 1048990), (722, 938570), (1292, 524495), (1444, 469285), (1615, 419596), (1805, 375428), (3230, 209798), (3610, 187714), (5521, 122740), (6137, 110420), (6460, 104899), (7220, 93857), (11042, 61370), (12274, 55210), (22084, 30685), (24548, 27605)]