205651060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1997}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 456503040

約数和(自身を除く): 250851980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 1084, 1355, 1997, 2710, 3994, 5149, 5420, 7988, 9985, 10298, 19970, 20596, 25745, 37943, 39940, 51490, 75886, 102980, 151772, 189715, 379430, 541187, 758860, 1082374, 2164748, 2705935, 5411870, 10282553, 10823740, 20565106, 41130212, 51412765, 102825530, 205651060]

約数ペア:

[(1, 205651060), (2, 102825530), (4, 51412765), (5, 41130212), (10, 20565106), (19, 10823740), (20, 10282553), (38, 5411870), (76, 2705935), (95, 2164748), (190, 1082374), (271, 758860), (380, 541187), (542, 379430), (1084, 189715), (1355, 151772), (1997, 102980), (2710, 75886), (3994, 51490), (5149, 39940), (5420, 37943), (7988, 25745), (9985, 20596), (10298, 19970)]