207821210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 402361344

約数和(自身を除く): 194540134

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 83, 155, 166, 197, 205, 310, 394, 410, 415, 830, 985, 1271, 1970, 2542, 2573, 3403, 5146, 6107, 6355, 6806, 8077, 12214, 12710, 12865, 16154, 16351, 17015, 25730, 30535, 32702, 34030, 40385, 61070, 80770, 81755, 105493, 163510, 210986, 250387, 500774, 506881, 527465, 670391, 1013762, 1054930, 1251935, 1340782, 2503870, 2534405, 3351955, 5068810, 6703910, 20782121, 41564242, 103910605, 207821210]

約数ペア:

[(1, 207821210), (2, 103910605), (5, 41564242), (10, 20782121), (31, 6703910), (41, 5068810), (62, 3351955), (82, 2534405), (83, 2503870), (155, 1340782), (166, 1251935), (197, 1054930), (205, 1013762), (310, 670391), (394, 527465), (410, 506881), (415, 500774), (830, 250387), (985, 210986), (1271, 163510), (1970, 105493), (2542, 81755), (2573, 80770), (3403, 61070), (5146, 40385), (6107, 34030), (6355, 32702), (6806, 30535), (8077, 25730), (12214, 17015), (12710, 16351), (12865, 16154)]