138580910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 282223872

約数和(自身を除く): 143642962

約数列:

[1, 2, 5, 10, 13, 26, 37, 47, 65, 74, 94, 130, 185, 235, 370, 470, 481, 611, 613, 962, 1222, 1226, 1739, 2405, 3055, 3065, 3478, 4810, 6110, 6130, 7969, 8695, 15938, 17390, 22607, 22681, 28811, 39845, 45214, 45362, 57622, 79690, 113035, 113405, 144055, 226070, 226810, 288110, 294853, 374543, 589706, 749086, 1066007, 1474265, 1872715, 2132014, 2948530, 3745430, 5330035, 10660070, 13858091, 27716182, 69290455, 138580910]

約数ペア:

[(1, 138580910), (2, 69290455), (5, 27716182), (10, 13858091), (13, 10660070), (26, 5330035), (37, 3745430), (47, 2948530), (65, 2132014), (74, 1872715), (94, 1474265), (130, 1066007), (185, 749086), (235, 589706), (370, 374543), (470, 294853), (481, 288110), (611, 226810), (613, 226070), (962, 144055), (1222, 113405), (1226, 113035), (1739, 79690), (2405, 57622), (3055, 45362), (3065, 45214), (3478, 39845), (4810, 28811), (6110, 22681), (6130, 22607), (7969, 17390), (8695, 15938)]