201002050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2657}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 400454280

約数和(自身を除く): 199452230

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 425, 445, 850, 890, 1513, 2225, 2657, 3026, 4450, 5314, 7565, 13285, 15130, 26570, 37825, 45169, 66425, 75650, 90338, 132850, 225845, 236473, 451690, 472946, 1129225, 1182365, 2258450, 2364730, 4020041, 5911825, 8040082, 11823650, 20100205, 40200410, 100501025, 201002050]

約数ペア:

[(1, 201002050), (2, 100501025), (5, 40200410), (10, 20100205), (17, 11823650), (25, 8040082), (34, 5911825), (50, 4020041), (85, 2364730), (89, 2258450), (170, 1182365), (178, 1129225), (425, 472946), (445, 451690), (850, 236473), (890, 225845), (1513, 132850), (2225, 90338), (2657, 75650), (3026, 66425), (4450, 45169), (5314, 37825), (7565, 26570), (13285, 15130)]