71263480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 166212000

約数和(自身を除く): 94948520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 179, 185, 269, 296, 358, 370, 538, 716, 740, 895, 1076, 1345, 1432, 1480, 1790, 2152, 2690, 3580, 5380, 6623, 7160, 9953, 10760, 13246, 19906, 26492, 33115, 39812, 48151, 49765, 52984, 66230, 79624, 96302, 99530, 132460, 192604, 199060, 240755, 264920, 385208, 398120, 481510, 963020, 1781587, 1926040, 3563174, 7126348, 8907935, 14252696, 17815870, 35631740, 71263480]

約数ペア:

[(1, 71263480), (2, 35631740), (4, 17815870), (5, 14252696), (8, 8907935), (10, 7126348), (20, 3563174), (37, 1926040), (40, 1781587), (74, 963020), (148, 481510), (179, 398120), (185, 385208), (269, 264920), (296, 240755), (358, 199060), (370, 192604), (538, 132460), (716, 99530), (740, 96302), (895, 79624), (1076, 66230), (1345, 52984), (1432, 49765), (1480, 48151), (1790, 39812), (2152, 33115), (2690, 26492), (3580, 19906), (5380, 13246), (6623, 10760), (7160, 9953)]