220664696

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1732

約数の個数: 64

約数和(自身を含む): 494592000

約数和(自身を除く): 273927304

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 79, 124, 158, 217, 248, 316, 434, 553, 632, 868, 1106, 1609, 1736, 2212, 2449, 3218, 4424, 4898, 6436, 9796, 11263, 12872, 17143, 19592, 22526, 34286, 45052, 49879, 68572, 90104, 99758, 127111, 137144, 199516, 254222, 349153, 399032, 508444, 698306, 889777, 1016888, 1396612, 1779554, 2793224, 3559108, 3940441, 7118216, 7880882, 15761764, 27583087, 31523528, 55166174, 110332348, 220664696]

約数ペア:

[(1, 220664696), (2, 110332348), (4, 55166174), (7, 31523528), (8, 27583087), (14, 15761764), (28, 7880882), (31, 7118216), (56, 3940441), (62, 3559108), (79, 2793224), (124, 1779554), (158, 1396612), (217, 1016888), (248, 889777), (316, 698306), (434, 508444), (553, 399032), (632, 349153), (868, 254222), (1106, 199516), (1609, 137144), (1736, 127111), (2212, 99758), (2449, 90104), (3218, 68572), (4424, 49879), (4898, 45052), (6436, 34286), (9796, 22526), (11263, 19592), (12872, 17143)]