31092820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 72172800

約数和(自身を除く): 41079980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 1789, 3476, 3578, 4345, 7156, 8690, 8945, 17380, 17890, 19679, 35780, 39358, 78716, 98395, 141331, 196790, 282662, 393580, 565324, 706655, 1413310, 1554641, 2826620, 3109282, 6218564, 7773205, 15546410, 31092820]

約数ペア:

[(1, 31092820), (2, 15546410), (4, 7773205), (5, 6218564), (10, 3109282), (11, 2826620), (20, 1554641), (22, 1413310), (44, 706655), (55, 565324), (79, 393580), (110, 282662), (158, 196790), (220, 141331), (316, 98395), (395, 78716), (790, 39358), (869, 35780), (1580, 19679), (1738, 17890), (1789, 17380), (3476, 8945), (3578, 8690), (4345, 7156)]