2618420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 6410880

約数和(自身を除く): 3792460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 317, 413, 590, 634, 826, 1180, 1268, 1585, 1652, 2065, 2219, 3170, 4130, 4438, 6340, 8260, 8876, 11095, 18703, 22190, 37406, 44380, 74812, 93515, 130921, 187030, 261842, 374060, 523684, 654605, 1309210, 2618420]

約数ペア:

[(1, 2618420), (2, 1309210), (4, 654605), (5, 523684), (7, 374060), (10, 261842), (14, 187030), (20, 130921), (28, 93515), (35, 74812), (59, 44380), (70, 37406), (118, 22190), (140, 18703), (236, 11095), (295, 8876), (317, 8260), (413, 6340), (590, 4438), (634, 4130), (826, 3170), (1180, 2219), (1268, 2065), (1585, 1652)]