208522930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{3517}}^1$

素因数の和:3560

約数の個数: 72

約数和(自身を含む): 480059244

約数和(自身を除く): 271536314

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 385, 490, 539, 605, 770, 847, 1078, 1210, 1694, 2695, 3517, 4235, 5390, 5929, 7034, 8470, 11858, 17585, 24619, 29645, 35170, 38687, 49238, 59290, 77374, 123095, 172333, 193435, 246190, 270809, 344666, 386870, 425557, 541618, 851114, 861665, 1354045, 1723330, 1895663, 2127785, 2708090, 2978899, 3791326, 4255570, 5957798, 9478315, 14894495, 18956630, 20852293, 29788990, 41704586, 104261465, 208522930]

約数ペア:

[(1, 208522930), (2, 104261465), (5, 41704586), (7, 29788990), (10, 20852293), (11, 18956630), (14, 14894495), (22, 9478315), (35, 5957798), (49, 4255570), (55, 3791326), (70, 2978899), (77, 2708090), (98, 2127785), (110, 1895663), (121, 1723330), (154, 1354045), (242, 861665), (245, 851114), (385, 541618), (490, 425557), (539, 386870), (605, 344666), (770, 270809), (847, 246190), (1078, 193435), (1210, 172333), (1694, 123095), (2695, 77374), (3517, 59290), (4235, 49238), (5390, 38687), (5929, 35170), (7034, 29645), (8470, 24619), (11858, 17585)]