3578020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 8064000

約数和(自身を除く): 4485980

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 199, 290, 310, 398, 580, 620, 796, 899, 995, 1798, 1990, 3596, 3980, 4495, 5771, 6169, 8990, 11542, 12338, 17980, 23084, 24676, 28855, 30845, 57710, 61690, 115420, 123380, 178901, 357802, 715604, 894505, 1789010, 3578020]

約数ペア:

[(1, 3578020), (2, 1789010), (4, 894505), (5, 715604), (10, 357802), (20, 178901), (29, 123380), (31, 115420), (58, 61690), (62, 57710), (116, 30845), (124, 28855), (145, 24676), (155, 23084), (199, 17980), (290, 12338), (310, 11542), (398, 8990), (580, 6169), (620, 5771), (796, 4495), (899, 3980), (995, 3596), (1798, 1990)]