1996980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 5673024

約数和(自身を除く): 3676044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 401, 415, 498, 802, 830, 996, 1203, 1245, 1604, 1660, 2005, 2406, 2490, 4010, 4812, 4980, 6015, 8020, 12030, 24060, 33283, 66566, 99849, 133132, 166415, 199698, 332830, 399396, 499245, 665660, 998490, 1996980]

約数ペア:

[(1, 1996980), (2, 998490), (3, 665660), (4, 499245), (5, 399396), (6, 332830), (10, 199698), (12, 166415), (15, 133132), (20, 99849), (30, 66566), (60, 33283), (83, 24060), (166, 12030), (249, 8020), (332, 6015), (401, 4980), (415, 4812), (498, 4010), (802, 2490), (830, 2406), (996, 2005), (1203, 1660), (1245, 1604)]