210130550780

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{941}}^1\times {\mathrm{17257}}^1$

素因数の和:18854

約数の個数: 48

約数和(自身を含む): 442451491776

約数和(自身を除く): 232320940996

約数列:

[1, 2, 4, 5, 10, 20, 647, 941, 1294, 1882, 2588, 3235, 3764, 4705, 6470, 9410, 12940, 17257, 18820, 34514, 69028, 86285, 172570, 345140, 608827, 1217654, 2435308, 3044135, 6088270, 11165279, 12176540, 16238837, 22330558, 32477674, 44661116, 55826395, 64955348, 81194185, 111652790, 162388370, 223305580, 324776740, 10506527539, 21013055078, 42026110156, 52532637695, 105065275390, 210130550780]

約数ペア:

[(1, 210130550780), (2, 105065275390), (4, 52532637695), (5, 42026110156), (10, 21013055078), (20, 10506527539), (647, 324776740), (941, 223305580), (1294, 162388370), (1882, 111652790), (2588, 81194185), (3235, 64955348), (3764, 55826395), (4705, 44661116), (6470, 32477674), (9410, 22330558), (12940, 16238837), (17257, 12176540), (18820, 11165279), (34514, 6088270), (69028, 3044135), (86285, 2435308), (172570, 1217654), (345140, 608827)]