2551707620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1656953}}^1$

素因数の和:1656980

約数の個数: 48

約数和(自身を含む): 6680838528

約数和(自身を除く): 4129130908

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1656953, 3313906, 6627812, 8284765, 11598671, 16569530, 18226483, 23197342, 33139060, 36452966, 46394684, 57993355, 72905932, 91132415, 115986710, 127585381, 182264830, 231973420, 255170762, 364529660, 510341524, 637926905, 1275853810, 2551707620]

約数ペア:

[(1, 2551707620), (2, 1275853810), (4, 637926905), (5, 510341524), (7, 364529660), (10, 255170762), (11, 231973420), (14, 182264830), (20, 127585381), (22, 115986710), (28, 91132415), (35, 72905932), (44, 57993355), (55, 46394684), (70, 36452966), (77, 33139060), (110, 23197342), (140, 18226483), (154, 16569530), (220, 11598671), (308, 8284765), (385, 6627812), (770, 3313906), (1540, 1656953)]