29916740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2203}}^1$

素因数の和:2316

約数の個数: 48

約数和(自身を含む): 72573312

約数和(自身を除く): 42656572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2203, 2716, 3395, 4406, 6790, 8812, 11015, 13580, 15421, 22030, 30842, 44060, 61684, 77105, 154210, 213691, 308420, 427382, 854764, 1068455, 1495837, 2136910, 2991674, 4273820, 5983348, 7479185, 14958370, 29916740]

約数ペア:

[(1, 29916740), (2, 14958370), (4, 7479185), (5, 5983348), (7, 4273820), (10, 2991674), (14, 2136910), (20, 1495837), (28, 1068455), (35, 854764), (70, 427382), (97, 308420), (140, 213691), (194, 154210), (388, 77105), (485, 61684), (679, 44060), (970, 30842), (1358, 22030), (1940, 15421), (2203, 13580), (2716, 11015), (3395, 8812), (4406, 6790)]