1899691620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{445937}}^1$

素因数の和:446020

約数の個数: 48

約数和(自身を含む): 5394066048

約数和(自身を除く): 3494374428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 445937, 891874, 1337811, 1783748, 2229685, 2675622, 4459370, 5351244, 6689055, 8918740, 13378110, 26756220, 31661527, 63323054, 94984581, 126646108, 158307635, 189969162, 316615270, 379938324, 474922905, 633230540, 949845810, 1899691620]

約数ペア:

[(1, 1899691620), (2, 949845810), (3, 633230540), (4, 474922905), (5, 379938324), (6, 316615270), (10, 189969162), (12, 158307635), (15, 126646108), (20, 94984581), (30, 63323054), (60, 31661527), (71, 26756220), (142, 13378110), (213, 8918740), (284, 6689055), (355, 5351244), (426, 4459370), (710, 2675622), (852, 2229685), (1065, 1783748), (1420, 1337811), (2130, 891874), (4260, 445937)]