164902760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4211}}^1$

素因数の和:4322

約数の個数: 64

約数和(自身を含む): 409406400

約数和(自身を除く): 244503640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4211, 4895, 7832, 8422, 9790, 16844, 19580, 21055, 33688, 39160, 42110, 46321, 84220, 92642, 168440, 185284, 231605, 370568, 374779, 463210, 749558, 926420, 1499116, 1852840, 1873895, 2998232, 3747790, 4122569, 7495580, 8245138, 14991160, 16490276, 20612845, 32980552, 41225690, 82451380, 164902760]

約数ペア:

[(1, 164902760), (2, 82451380), (4, 41225690), (5, 32980552), (8, 20612845), (10, 16490276), (11, 14991160), (20, 8245138), (22, 7495580), (40, 4122569), (44, 3747790), (55, 2998232), (88, 1873895), (89, 1852840), (110, 1499116), (178, 926420), (220, 749558), (356, 463210), (440, 374779), (445, 370568), (712, 231605), (890, 185284), (979, 168440), (1780, 92642), (1958, 84220), (3560, 46321), (3916, 42110), (4211, 39160), (4895, 33688), (7832, 21055), (8422, 19580), (9790, 16844)]