71098540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 153770400

約数和(自身を除く): 82671860

約数列:

[1, 2, 4, 5, 10, 20, 59, 89, 118, 178, 236, 295, 356, 445, 590, 677, 890, 1180, 1354, 1780, 2708, 3385, 5251, 6770, 10502, 13540, 21004, 26255, 39943, 52510, 60253, 79886, 105020, 120506, 159772, 199715, 241012, 301265, 399430, 602530, 798860, 1205060, 3554927, 7109854, 14219708, 17774635, 35549270, 71098540]

約数ペア:

[(1, 71098540), (2, 35549270), (4, 17774635), (5, 14219708), (10, 7109854), (20, 3554927), (59, 1205060), (89, 798860), (118, 602530), (178, 399430), (236, 301265), (295, 241012), (356, 199715), (445, 159772), (590, 120506), (677, 105020), (890, 79886), (1180, 60253), (1354, 52510), (1780, 39943), (2708, 26255), (3385, 21004), (5251, 13540), (6770, 10502)]