72393020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7283}}^1$

素因数の和:7370

約数の個数: 48

約数和(自身を含む): 176214528

約数和(自身を除く): 103821508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 7283, 9940, 14566, 29132, 36415, 50981, 72830, 101962, 145660, 203924, 254905, 509810, 517093, 1019620, 1034186, 2068372, 2585465, 3619651, 5170930, 7239302, 10341860, 14478604, 18098255, 36196510, 72393020]

約数ペア:

[(1, 72393020), (2, 36196510), (4, 18098255), (5, 14478604), (7, 10341860), (10, 7239302), (14, 5170930), (20, 3619651), (28, 2585465), (35, 2068372), (70, 1034186), (71, 1019620), (140, 517093), (142, 509810), (284, 254905), (355, 203924), (497, 145660), (710, 101962), (994, 72830), (1420, 50981), (1988, 36415), (2485, 29132), (4970, 14566), (7283, 9940)]