1900308865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 2865300480

約数和(自身を除く): 964991615

約数列:

[1, 5, 7, 13, 35, 65, 89, 91, 167, 281, 445, 455, 623, 835, 1157, 1169, 1405, 1967, 2171, 3115, 3653, 5785, 5845, 8099, 9835, 10855, 14863, 15197, 18265, 25009, 25571, 40495, 46927, 74315, 75985, 104041, 125045, 127855, 175063, 193219, 234635, 325117, 328489, 520205, 610051, 875315, 966095, 1352533, 1625585, 1642445, 2275819, 3050255, 4176503, 4270357, 6762665, 11379095, 20882515, 21351785, 29235521, 54294539, 146177605, 271472695, 380061773, 1900308865]

約数ペア:

[(1, 1900308865), (5, 380061773), (7, 271472695), (13, 146177605), (35, 54294539), (65, 29235521), (89, 21351785), (91, 20882515), (167, 11379095), (281, 6762665), (445, 4270357), (455, 4176503), (623, 3050255), (835, 2275819), (1157, 1642445), (1169, 1625585), (1405, 1352533), (1967, 966095), (2171, 875315), (3115, 610051), (3653, 520205), (5785, 328489), (5845, 325117), (8099, 234635), (9835, 193219), (10855, 175063), (14863, 127855), (15197, 125045), (18265, 104041), (25009, 75985), (25571, 74315), (40495, 46927)]