28950800

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:636

約数の個数: 60

約数和(自身を含む): 70149156

約数和(自身を除く): 41198356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 461, 628, 785, 922, 1256, 1570, 1844, 2305, 2512, 3140, 3688, 3925, 4610, 6280, 7376, 7850, 9220, 11525, 12560, 15700, 18440, 23050, 31400, 36880, 46100, 62800, 72377, 92200, 144754, 184400, 289508, 361885, 579016, 723770, 1158032, 1447540, 1809425, 2895080, 3618850, 5790160, 7237700, 14475400, 28950800]

約数ペア:

[(1, 28950800), (2, 14475400), (4, 7237700), (5, 5790160), (8, 3618850), (10, 2895080), (16, 1809425), (20, 1447540), (25, 1158032), (40, 723770), (50, 579016), (80, 361885), (100, 289508), (157, 184400), (200, 144754), (314, 92200), (400, 72377), (461, 62800), (628, 46100), (785, 36880), (922, 31400), (1256, 23050), (1570, 18440), (1844, 15700), (2305, 12560), (2512, 11525), (3140, 9220), (3688, 7850), (3925, 7376), (4610, 6280)]