2420180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 5927040

約数和(自身を除く): 3506860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 293, 295, 413, 586, 590, 826, 1172, 1180, 1465, 1652, 2051, 2065, 2930, 4102, 4130, 5860, 8204, 8260, 10255, 17287, 20510, 34574, 41020, 69148, 86435, 121009, 172870, 242018, 345740, 484036, 605045, 1210090, 2420180]

約数ペア:

[(1, 2420180), (2, 1210090), (4, 605045), (5, 484036), (7, 345740), (10, 242018), (14, 172870), (20, 121009), (28, 86435), (35, 69148), (59, 41020), (70, 34574), (118, 20510), (140, 17287), (236, 10255), (293, 8260), (295, 8204), (413, 5860), (586, 4130), (590, 4102), (826, 2930), (1172, 2065), (1180, 2051), (1465, 1652)]