2983540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 7265664

約数和(自身を除く): 4282124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 211, 404, 422, 505, 707, 844, 1010, 1055, 1414, 1477, 2020, 2110, 2828, 2954, 3535, 4220, 5908, 7070, 7385, 14140, 14770, 21311, 29540, 42622, 85244, 106555, 149177, 213110, 298354, 426220, 596708, 745885, 1491770, 2983540]

約数ペア:

[(1, 2983540), (2, 1491770), (4, 745885), (5, 596708), (7, 426220), (10, 298354), (14, 213110), (20, 149177), (28, 106555), (35, 85244), (70, 42622), (101, 29540), (140, 21311), (202, 14770), (211, 14140), (404, 7385), (422, 7070), (505, 5908), (707, 4220), (844, 3535), (1010, 2954), (1055, 2828), (1414, 2110), (1477, 2020)]