440042120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1571579}}^1$

素因数の和:1571597

約数の個数: 32

約数和(自身を含む): 1131537600

約数和(自身を除く): 691495480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1571579, 3143158, 6286316, 7857895, 11001053, 12572632, 15715790, 22002106, 31431580, 44004212, 55005265, 62863160, 88008424, 110010530, 220021060, 440042120]

約数ペア:

[(1, 440042120), (2, 220021060), (4, 110010530), (5, 88008424), (7, 62863160), (8, 55005265), (10, 44004212), (14, 31431580), (20, 22002106), (28, 15715790), (35, 12572632), (40, 11001053), (56, 7857895), (70, 6286316), (140, 3143158), (280, 1571579)]