406941220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2906723}}^1$

素因数の和:2906739

約数の個数: 24

約数和(自身を含む): 976659264

約数和(自身を除く): 569718044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2906723, 5813446, 11626892, 14533615, 20347061, 29067230, 40694122, 58134460, 81388244, 101735305, 203470610, 406941220]

約数ペア:

[(1, 406941220), (2, 203470610), (4, 101735305), (5, 81388244), (7, 58134460), (10, 40694122), (14, 29067230), (20, 20347061), (28, 14533615), (35, 11626892), (70, 5813446), (140, 2906723)]