811797940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1\times {\mathrm{2357}}^1$

素因数の和:3396

約数の個数: 48

約数和(自身を含む): 1807605072

約数和(自身を除く): 995807132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1013, 2026, 2357, 4052, 4714, 5065, 9428, 10130, 11785, 17221, 20260, 23570, 34442, 40069, 47140, 68884, 80138, 86105, 160276, 172210, 200345, 344420, 400690, 801380, 2387641, 4775282, 9550564, 11938205, 23876410, 40589897, 47752820, 81179794, 162359588, 202949485, 405898970, 811797940]

約数ペア:

[(1, 811797940), (2, 405898970), (4, 202949485), (5, 162359588), (10, 81179794), (17, 47752820), (20, 40589897), (34, 23876410), (68, 11938205), (85, 9550564), (170, 4775282), (340, 2387641), (1013, 801380), (2026, 400690), (2357, 344420), (4052, 200345), (4714, 172210), (5065, 160276), (9428, 86105), (10130, 80138), (11785, 68884), (17221, 47140), (20260, 40069), (23570, 34442)]