388316460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1429}}^1$

素因数の和:2095

約数の個数: 96

約数和(自身を含む): 1245404160

約数和(自身を除く): 857087700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 647, 1294, 1429, 1941, 2588, 2858, 3235, 3882, 4287, 4529, 5716, 6470, 7145, 7764, 8574, 9058, 9705, 10003, 12940, 13587, 14290, 17148, 18116, 19410, 20006, 21435, 22645, 27174, 28580, 30009, 38820, 40012, 42870, 45290, 50015, 54348, 60018, 67935, 85740, 90580, 100030, 120036, 135870, 150045, 200060, 271740, 300090, 600180, 924563, 1849126, 2773689, 3698252, 4622815, 5547378, 6471941, 9245630, 11094756, 12943882, 13868445, 18491260, 19415823, 25887764, 27736890, 32359705, 38831646, 55473780, 64719410, 77663292, 97079115, 129438820, 194158230, 388316460]

約数ペア:

[(1, 388316460), (2, 194158230), (3, 129438820), (4, 97079115), (5, 77663292), (6, 64719410), (7, 55473780), (10, 38831646), (12, 32359705), (14, 27736890), (15, 25887764), (20, 19415823), (21, 18491260), (28, 13868445), (30, 12943882), (35, 11094756), (42, 9245630), (60, 6471941), (70, 5547378), (84, 4622815), (105, 3698252), (140, 2773689), (210, 1849126), (420, 924563), (647, 600180), (1294, 300090), (1429, 271740), (1941, 200060), (2588, 150045), (2858, 135870), (3235, 120036), (3882, 100030), (4287, 90580), (4529, 85740), (5716, 67935), (6470, 60018), (7145, 54348), (7764, 50015), (8574, 45290), (9058, 42870), (9705, 40012), (10003, 38820), (12940, 30009), (13587, 28580), (14290, 27174), (17148, 22645), (18116, 21435), (19410, 20006)]