29718220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 72253440

約数和(自身を除く): 42535220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2687, 2765, 5374, 5530, 10748, 11060, 13435, 18809, 26870, 37618, 53740, 75236, 94045, 188090, 212273, 376180, 424546, 849092, 1061365, 1485911, 2122730, 2971822, 4245460, 5943644, 7429555, 14859110, 29718220]

約数ペア:

[(1, 29718220), (2, 14859110), (4, 7429555), (5, 5943644), (7, 4245460), (10, 2971822), (14, 2122730), (20, 1485911), (28, 1061365), (35, 849092), (70, 424546), (79, 376180), (140, 212273), (158, 188090), (316, 94045), (395, 75236), (553, 53740), (790, 37618), (1106, 26870), (1580, 18809), (2212, 13435), (2687, 11060), (2765, 10748), (5374, 5530)]