220117820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{36809}}^1$

素因数の和:36854

約数の個数: 48

約数和(自身を含む): 519462720

約数和(自身を除く): 299344900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 36809, 73618, 147236, 184045, 368090, 478517, 736180, 846607, 957034, 1693214, 1914068, 2392585, 3386428, 4233035, 4785170, 8466070, 9570340, 11005891, 16932140, 22011782, 44023564, 55029455, 110058910, 220117820]

約数ペア:

[(1, 220117820), (2, 110058910), (4, 55029455), (5, 44023564), (10, 22011782), (13, 16932140), (20, 11005891), (23, 9570340), (26, 8466070), (46, 4785170), (52, 4233035), (65, 3386428), (92, 2392585), (115, 1914068), (130, 1693214), (230, 957034), (260, 846607), (299, 736180), (460, 478517), (598, 368090), (1196, 184045), (1495, 147236), (2990, 73618), (5980, 36809)]