31668980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7297}}^1$

素因数の和:7344

約数の個数: 48

約数和(自身を含む): 78468096

約数和(自身を除く): 46799116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7297, 14594, 29188, 36485, 51079, 72970, 102158, 145940, 204316, 226207, 255395, 452414, 510790, 904828, 1021580, 1131035, 1583449, 2262070, 3166898, 4524140, 6333796, 7917245, 15834490, 31668980]

約数ペア:

[(1, 31668980), (2, 15834490), (4, 7917245), (5, 6333796), (7, 4524140), (10, 3166898), (14, 2262070), (20, 1583449), (28, 1131035), (31, 1021580), (35, 904828), (62, 510790), (70, 452414), (124, 255395), (140, 226207), (155, 204316), (217, 145940), (310, 102158), (434, 72970), (620, 51079), (868, 36485), (1085, 29188), (2170, 14594), (4340, 7297)]