2220803650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{2953}}^1$

素因数の和:3080

約数の個数: 72

約数和(自身を含む): 4524671340

約数和(自身を除く): 2303867690

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 130, 169, 178, 325, 338, 445, 650, 845, 890, 1157, 1690, 2225, 2314, 2953, 4225, 4450, 5785, 5906, 8450, 11570, 14765, 15041, 28925, 29530, 30082, 38389, 57850, 73825, 75205, 76778, 147650, 150410, 191945, 262817, 376025, 383890, 499057, 525634, 752050, 959725, 998114, 1314085, 1919450, 2495285, 2628170, 3416621, 4990570, 6570425, 6833242, 12476425, 13140850, 17083105, 24952850, 34166210, 44416073, 85415525, 88832146, 170831050, 222080365, 444160730, 1110401825, 2220803650]

約数ペア:

[(1, 2220803650), (2, 1110401825), (5, 444160730), (10, 222080365), (13, 170831050), (25, 88832146), (26, 85415525), (50, 44416073), (65, 34166210), (89, 24952850), (130, 17083105), (169, 13140850), (178, 12476425), (325, 6833242), (338, 6570425), (445, 4990570), (650, 3416621), (845, 2628170), (890, 2495285), (1157, 1919450), (1690, 1314085), (2225, 998114), (2314, 959725), (2953, 752050), (4225, 525634), (4450, 499057), (5785, 383890), (5906, 376025), (8450, 262817), (11570, 191945), (14765, 150410), (15041, 147650), (28925, 76778), (29530, 75205), (30082, 73825), (38389, 57850)]