280724402

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 503008128

約数和(自身を除く): 222283726

約数列:

[1, 2, 7, 14, 37, 74, 97, 151, 194, 259, 302, 518, 679, 1057, 1358, 1369, 2114, 2738, 3589, 5587, 7178, 9583, 11174, 14647, 19166, 25123, 29294, 39109, 50246, 78218, 102529, 132793, 205058, 206719, 265586, 413438, 541939, 929551, 1083878, 1447033, 1859102, 2894066, 3793573, 7587146, 20051743, 40103486, 140362201, 280724402]

約数ペア:

[(1, 280724402), (2, 140362201), (7, 40103486), (14, 20051743), (37, 7587146), (74, 3793573), (97, 2894066), (151, 1859102), (194, 1447033), (259, 1083878), (302, 929551), (518, 541939), (679, 413438), (1057, 265586), (1358, 206719), (1369, 205058), (2114, 132793), (2738, 102529), (3589, 78218), (5587, 50246), (7178, 39109), (9583, 29294), (11174, 25123), (14647, 19166)]