71683570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{20899}}^1$

素因数の和:20927

約数の個数: 32

約数和(自身を含む): 150480000

約数和(自身を除く): 78796430

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 20899, 41798, 104495, 146293, 208990, 292586, 731465, 1024051, 1462930, 2048102, 5120255, 7168357, 10240510, 14336714, 35841785, 71683570]

約数ペア:

[(1, 71683570), (2, 35841785), (5, 14336714), (7, 10240510), (10, 7168357), (14, 5120255), (35, 2048102), (49, 1462930), (70, 1024051), (98, 731465), (245, 292586), (343, 208990), (490, 146293), (686, 104495), (1715, 41798), (3430, 20899)]