49647640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{761}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 128381760

約数和(自身を除く): 78734120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 761, 932, 1165, 1522, 1631, 1864, 2330, 3044, 3262, 3805, 4660, 5327, 6088, 6524, 7610, 8155, 9320, 10654, 13048, 15220, 16310, 21308, 26635, 30440, 32620, 42616, 53270, 65240, 106540, 177313, 213080, 354626, 709252, 886565, 1241191, 1418504, 1773130, 2482382, 3546260, 4964764, 6205955, 7092520, 9929528, 12411910, 24823820, 49647640]

約数ペア:

[(1, 49647640), (2, 24823820), (4, 12411910), (5, 9929528), (7, 7092520), (8, 6205955), (10, 4964764), (14, 3546260), (20, 2482382), (28, 1773130), (35, 1418504), (40, 1241191), (56, 886565), (70, 709252), (140, 354626), (233, 213080), (280, 177313), (466, 106540), (761, 65240), (932, 53270), (1165, 42616), (1522, 32620), (1631, 30440), (1864, 26635), (2330, 21308), (3044, 16310), (3262, 15220), (3805, 13048), (4660, 10654), (5327, 9320), (6088, 8155), (6524, 7610)]