74493910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 136857600

約数和(自身を除く): 62363690

約数列:

[1, 2, 5, 10, 71, 142, 239, 355, 439, 478, 710, 878, 1195, 2195, 2390, 4390, 16969, 31169, 33938, 62338, 84845, 104921, 155845, 169690, 209842, 311690, 524605, 1049210, 7449391, 14898782, 37246955, 74493910]

約数ペア:

[(1, 74493910), (2, 37246955), (5, 14898782), (10, 7449391), (71, 1049210), (142, 524605), (239, 311690), (355, 209842), (439, 169690), (478, 155845), (710, 104921), (878, 84845), (1195, 62338), (2195, 33938), (2390, 31169), (4390, 16969)]