77018540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 166507488

約数和(自身を除く): 89488948

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 113, 212, 226, 265, 452, 530, 565, 643, 1060, 1130, 1286, 2260, 2572, 3215, 5989, 6430, 11978, 12860, 23956, 29945, 34079, 59890, 68158, 72659, 119780, 136316, 145318, 170395, 290636, 340790, 363295, 681580, 726590, 1453180, 3850927, 7701854, 15403708, 19254635, 38509270, 77018540]

約数ペア:

[(1, 77018540), (2, 38509270), (4, 19254635), (5, 15403708), (10, 7701854), (20, 3850927), (53, 1453180), (106, 726590), (113, 681580), (212, 363295), (226, 340790), (265, 290636), (452, 170395), (530, 145318), (565, 136316), (643, 119780), (1060, 72659), (1130, 68158), (1286, 59890), (2260, 34079), (2572, 29945), (3215, 23956), (5989, 12860), (6430, 11978)]