220128272

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4877}}^1$

素因数の和:4936

約数の個数: 80

約数和(自身を含む): 541965312

約数和(自身を除く): 321837040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 4877, 5642, 6448, 9754, 11284, 19508, 22568, 34139, 39016, 45136, 63401, 68278, 78032, 126802, 136556, 151187, 253604, 273112, 302374, 443807, 507208, 546224, 604748, 887614, 1014416, 1058309, 1209496, 1775228, 1965431, 2116618, 2418992, 3550456, 3930862, 4233236, 7100912, 7861724, 8466472, 13758017, 15723448, 16932944, 27516034, 31446896, 55032068, 110064136, 220128272]

約数ペア:

[(1, 220128272), (2, 110064136), (4, 55032068), (7, 31446896), (8, 27516034), (13, 16932944), (14, 15723448), (16, 13758017), (26, 8466472), (28, 7861724), (31, 7100912), (52, 4233236), (56, 3930862), (62, 3550456), (91, 2418992), (104, 2116618), (112, 1965431), (124, 1775228), (182, 1209496), (208, 1058309), (217, 1014416), (248, 887614), (364, 604748), (403, 546224), (434, 507208), (496, 443807), (728, 302374), (806, 273112), (868, 253604), (1456, 151187), (1612, 136556), (1736, 126802), (2821, 78032), (3224, 68278), (3472, 63401), (4877, 45136), (5642, 39016), (6448, 34139), (9754, 22568), (11284, 19508)]