138802020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{587}}^1$

素因数の和:1169

約数の個数: 96

約数和(自身を含む): 445713408

約数和(自身を除く): 306911388

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, 563, 587, 1126, 1174, 1689, 1761, 2252, 2348, 2815, 2935, 3378, 3522, 3941, 4109, 5630, 5870, 6756, 7044, 7882, 8218, 8445, 8805, 11260, 11740, 11823, 12327, 15764, 16436, 16890, 17610, 19705, 20545, 23646, 24654, 33780, 35220, 39410, 41090, 47292, 49308, 59115, 61635, 78820, 82180, 118230, 123270, 236460, 246540, 330481, 660962, 991443, 1321924, 1652405, 1982886, 2313367, 3304810, 3965772, 4626734, 4957215, 6609620, 6940101, 9253468, 9914430, 11566835, 13880202, 19828860, 23133670, 27760404, 34700505, 46267340, 69401010, 138802020]

約数ペア:

[(1, 138802020), (2, 69401010), (3, 46267340), (4, 34700505), (5, 27760404), (6, 23133670), (7, 19828860), (10, 13880202), (12, 11566835), (14, 9914430), (15, 9253468), (20, 6940101), (21, 6609620), (28, 4957215), (30, 4626734), (35, 3965772), (42, 3304810), (60, 2313367), (70, 1982886), (84, 1652405), (105, 1321924), (140, 991443), (210, 660962), (420, 330481), (563, 246540), (587, 236460), (1126, 123270), (1174, 118230), (1689, 82180), (1761, 78820), (2252, 61635), (2348, 59115), (2815, 49308), (2935, 47292), (3378, 41090), (3522, 39410), (3941, 35220), (4109, 33780), (5630, 24654), (5870, 23646), (6756, 20545), (7044, 19705), (7882, 17610), (8218, 16890), (8445, 16436), (8805, 15764), (11260, 12327), (11740, 11823)]