42573020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4283}}^1$

素因数の和:4370

約数の個数: 48

約数和(自身を含む): 103638528

約数和(自身を除く): 61065508

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, 4283, 4970, 8566, 9940, 17132, 21415, 29981, 42830, 59962, 85660, 119924, 149905, 299810, 304093, 599620, 608186, 1216372, 1520465, 2128651, 3040930, 4257302, 6081860, 8514604, 10643255, 21286510, 42573020]

約数ペア:

[(1, 42573020), (2, 21286510), (4, 10643255), (5, 8514604), (7, 6081860), (10, 4257302), (14, 3040930), (20, 2128651), (28, 1520465), (35, 1216372), (70, 608186), (71, 599620), (140, 304093), (142, 299810), (284, 149905), (355, 119924), (497, 85660), (710, 59962), (994, 42830), (1420, 29981), (1988, 21415), (2485, 17132), (4283, 9940), (4970, 8566)]