207646550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 398412000

約数和(自身を除く): 190765450

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 199, 205, 398, 410, 509, 995, 1018, 1025, 1990, 2050, 2545, 4975, 5090, 8159, 9950, 12725, 16318, 20869, 25450, 40795, 41738, 81590, 101291, 104345, 202582, 203975, 208690, 407950, 506455, 521725, 1012910, 1043450, 2532275, 4152931, 5064550, 8305862, 20764655, 41529310, 103823275, 207646550]

約数ペア:

[(1, 207646550), (2, 103823275), (5, 41529310), (10, 20764655), (25, 8305862), (41, 5064550), (50, 4152931), (82, 2532275), (199, 1043450), (205, 1012910), (398, 521725), (410, 506455), (509, 407950), (995, 208690), (1018, 203975), (1025, 202582), (1990, 104345), (2050, 101291), (2545, 81590), (4975, 41738), (5090, 40795), (8159, 25450), (9950, 20869), (12725, 16318)]