31057460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2287}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 75339264

約数和(自身を除く): 44281804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2287, 2716, 3395, 4574, 6790, 9148, 11435, 13580, 16009, 22870, 32018, 45740, 64036, 80045, 160090, 221839, 320180, 443678, 887356, 1109195, 1552873, 2218390, 3105746, 4436780, 6211492, 7764365, 15528730, 31057460]

約数ペア:

[(1, 31057460), (2, 15528730), (4, 7764365), (5, 6211492), (7, 4436780), (10, 3105746), (14, 2218390), (20, 1552873), (28, 1109195), (35, 887356), (70, 443678), (97, 320180), (140, 221839), (194, 160090), (388, 80045), (485, 64036), (679, 45740), (970, 32018), (1358, 22870), (1940, 16009), (2287, 13580), (2716, 11435), (3395, 9148), (4574, 6790)]