201420520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37861}}^1$

素因数の和:37898

約数の個数: 64

約数和(自身を含む): 545212800

約数和(自身を除く): 343792280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 37861, 75722, 151444, 189305, 265027, 302888, 378610, 530054, 719359, 757220, 1060108, 1325135, 1438718, 1514440, 2120216, 2650270, 2877436, 3596795, 5035513, 5300540, 5754872, 7193590, 10071026, 10601080, 14387180, 20142052, 25177565, 28774360, 40284104, 50355130, 100710260, 201420520]

約数ペア:

[(1, 201420520), (2, 100710260), (4, 50355130), (5, 40284104), (7, 28774360), (8, 25177565), (10, 20142052), (14, 14387180), (19, 10601080), (20, 10071026), (28, 7193590), (35, 5754872), (38, 5300540), (40, 5035513), (56, 3596795), (70, 2877436), (76, 2650270), (95, 2120216), (133, 1514440), (140, 1438718), (152, 1325135), (190, 1060108), (266, 757220), (280, 719359), (380, 530054), (532, 378610), (665, 302888), (760, 265027), (1064, 189305), (1330, 151444), (2660, 75722), (5320, 37861)]