137616460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 295142400

約数和(自身を除く): 157525940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 199, 284, 355, 398, 487, 710, 796, 974, 995, 1420, 1948, 1990, 2435, 3980, 4870, 9740, 14129, 28258, 34577, 56516, 69154, 70645, 96913, 138308, 141290, 172885, 193826, 282580, 345770, 387652, 484565, 691540, 969130, 1938260, 6880823, 13761646, 27523292, 34404115, 68808230, 137616460]

約数ペア:

[(1, 137616460), (2, 68808230), (4, 34404115), (5, 27523292), (10, 13761646), (20, 6880823), (71, 1938260), (142, 969130), (199, 691540), (284, 484565), (355, 387652), (398, 345770), (487, 282580), (710, 193826), (796, 172885), (974, 141290), (995, 138308), (1420, 96913), (1948, 70645), (1990, 69154), (2435, 56516), (3980, 34577), (4870, 28258), (9740, 14129)]