76476740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 164640000

約数和(自身を除く): 88163260

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 158, 194, 316, 388, 395, 485, 499, 790, 970, 998, 1580, 1940, 1996, 2495, 4990, 7663, 9980, 15326, 30652, 38315, 39421, 48403, 76630, 78842, 96806, 153260, 157684, 193612, 197105, 242015, 394210, 484030, 788420, 968060, 3823837, 7647674, 15295348, 19119185, 38238370, 76476740]

約数ペア:

[(1, 76476740), (2, 38238370), (4, 19119185), (5, 15295348), (10, 7647674), (20, 3823837), (79, 968060), (97, 788420), (158, 484030), (194, 394210), (316, 242015), (388, 197105), (395, 193612), (485, 157684), (499, 153260), (790, 96806), (970, 78842), (998, 76630), (1580, 48403), (1940, 39421), (1996, 38315), (2495, 30652), (4990, 15326), (7663, 9980)]