140168980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32297}}^1$

素因数の和:32344

約数の個数: 48

約数和(自身を含む): 347268096

約数和(自身を除く): 207099116

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, 32297, 64594, 129188, 161485, 226079, 322970, 452158, 645940, 904316, 1001207, 1130395, 2002414, 2260790, 4004828, 4521580, 5006035, 7008449, 10012070, 14016898, 20024140, 28033796, 35042245, 70084490, 140168980]

約数ペア:

[(1, 140168980), (2, 70084490), (4, 35042245), (5, 28033796), (7, 20024140), (10, 14016898), (14, 10012070), (20, 7008449), (28, 5006035), (31, 4521580), (35, 4004828), (62, 2260790), (70, 2002414), (124, 1130395), (140, 1001207), (155, 904316), (217, 645940), (310, 452158), (434, 322970), (620, 226079), (868, 161485), (1085, 129188), (2170, 64594), (4340, 32297)]