67137820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 144865728

約数和(自身を除く): 77727908

約数列:

[1, 2, 4, 5, 10, 20, 61, 113, 122, 226, 244, 305, 452, 487, 565, 610, 974, 1130, 1220, 1948, 2260, 2435, 4870, 6893, 9740, 13786, 27572, 29707, 34465, 55031, 59414, 68930, 110062, 118828, 137860, 148535, 220124, 275155, 297070, 550310, 594140, 1100620, 3356891, 6713782, 13427564, 16784455, 33568910, 67137820]

約数ペア:

[(1, 67137820), (2, 33568910), (4, 16784455), (5, 13427564), (10, 6713782), (20, 3356891), (61, 1100620), (113, 594140), (122, 550310), (226, 297070), (244, 275155), (305, 220124), (452, 148535), (487, 137860), (565, 118828), (610, 110062), (974, 68930), (1130, 59414), (1220, 55031), (1948, 34465), (2260, 29707), (2435, 27572), (4870, 13786), (6893, 9740)]