2172380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3149860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 263, 295, 413, 526, 590, 826, 1052, 1180, 1315, 1652, 1841, 2065, 2630, 3682, 4130, 5260, 7364, 8260, 9205, 15517, 18410, 31034, 36820, 62068, 77585, 108619, 155170, 217238, 310340, 434476, 543095, 1086190, 2172380]

約数ペア:

[(1, 2172380), (2, 1086190), (4, 543095), (5, 434476), (7, 310340), (10, 217238), (14, 155170), (20, 108619), (28, 77585), (35, 62068), (59, 36820), (70, 31034), (118, 18410), (140, 15517), (236, 9205), (263, 8260), (295, 7364), (413, 5260), (526, 4130), (590, 3682), (826, 2630), (1052, 2065), (1180, 1841), (1315, 1652)]