90627820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{727}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 199600128

約数和(自身を除く): 108972308

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 271, 460, 542, 727, 1084, 1355, 1454, 2710, 2908, 3635, 5420, 6233, 7270, 12466, 14540, 16721, 24932, 31165, 33442, 62330, 66884, 83605, 124660, 167210, 197017, 334420, 394034, 788068, 985085, 1970170, 3940340, 4531391, 9062782, 18125564, 22656955, 45313910, 90627820]

約数ペア:

[(1, 90627820), (2, 45313910), (4, 22656955), (5, 18125564), (10, 9062782), (20, 4531391), (23, 3940340), (46, 1970170), (92, 985085), (115, 788068), (230, 394034), (271, 334420), (460, 197017), (542, 167210), (727, 124660), (1084, 83605), (1355, 66884), (1454, 62330), (2710, 33442), (2908, 31165), (3635, 24932), (5420, 16721), (6233, 14540), (7270, 12466)]