348540220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2489573}}^1$

素因数の和:2489589

約数の個数: 24

約数和(自身を含む): 836496864

約数和(自身を除く): 487956644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2489573, 4979146, 9958292, 12447865, 17427011, 24895730, 34854022, 49791460, 69708044, 87135055, 174270110, 348540220]

約数ペア:

[(1, 348540220), (2, 174270110), (4, 87135055), (5, 69708044), (7, 49791460), (10, 34854022), (14, 24895730), (20, 17427011), (28, 12447865), (35, 9958292), (70, 4979146), (140, 2489573)]