2912840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 7637760

約数和(自身を除く): 4724920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 103, 140, 202, 206, 280, 404, 412, 505, 515, 707, 721, 808, 824, 1010, 1030, 1414, 1442, 2020, 2060, 2828, 2884, 3535, 3605, 4040, 4120, 5656, 5768, 7070, 7210, 10403, 14140, 14420, 20806, 28280, 28840, 41612, 52015, 72821, 83224, 104030, 145642, 208060, 291284, 364105, 416120, 582568, 728210, 1456420, 2912840]

約数ペア:

[(1, 2912840), (2, 1456420), (4, 728210), (5, 582568), (7, 416120), (8, 364105), (10, 291284), (14, 208060), (20, 145642), (28, 104030), (35, 83224), (40, 72821), (56, 52015), (70, 41612), (101, 28840), (103, 28280), (140, 20806), (202, 14420), (206, 14140), (280, 10403), (404, 7210), (412, 7070), (505, 5768), (515, 5656), (707, 4120), (721, 4040), (808, 3605), (824, 3535), (1010, 2884), (1030, 2828), (1414, 2060), (1442, 2020)]