280802620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 698664960

約数和(自身を除く): 417862340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 151, 185, 259, 302, 359, 370, 518, 604, 718, 740, 755, 1036, 1057, 1295, 1436, 1510, 1795, 2114, 2513, 2590, 3020, 3590, 4228, 5026, 5180, 5285, 5587, 7180, 10052, 10570, 11174, 12565, 13283, 21140, 22348, 25130, 26566, 27935, 39109, 50260, 53132, 54209, 55870, 66415, 78218, 92981, 108418, 111740, 132830, 156436, 185962, 195545, 216836, 265660, 271045, 371924, 379463, 391090, 464905, 542090, 758926, 782180, 929810, 1084180, 1517852, 1859620, 1897315, 2005733, 3794630, 4011466, 7589260, 8022932, 10028665, 14040131, 20057330, 28080262, 40114660, 56160524, 70200655, 140401310, 280802620]

約数ペア:

[(1, 280802620), (2, 140401310), (4, 70200655), (5, 56160524), (7, 40114660), (10, 28080262), (14, 20057330), (20, 14040131), (28, 10028665), (35, 8022932), (37, 7589260), (70, 4011466), (74, 3794630), (140, 2005733), (148, 1897315), (151, 1859620), (185, 1517852), (259, 1084180), (302, 929810), (359, 782180), (370, 758926), (518, 542090), (604, 464905), (718, 391090), (740, 379463), (755, 371924), (1036, 271045), (1057, 265660), (1295, 216836), (1436, 195545), (1510, 185962), (1795, 156436), (2114, 132830), (2513, 111740), (2590, 108418), (3020, 92981), (3590, 78218), (4228, 66415), (5026, 55870), (5180, 54209), (5285, 53132), (5587, 50260), (7180, 39109), (10052, 27935), (10570, 26566), (11174, 25130), (12565, 22348), (13283, 21140)]