2135140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 5209344

約数和(自身を除く): 3074204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 151, 202, 302, 404, 505, 604, 707, 755, 1010, 1057, 1414, 1510, 2020, 2114, 2828, 3020, 3535, 4228, 5285, 7070, 10570, 14140, 15251, 21140, 30502, 61004, 76255, 106757, 152510, 213514, 305020, 427028, 533785, 1067570, 2135140]

約数ペア:

[(1, 2135140), (2, 1067570), (4, 533785), (5, 427028), (7, 305020), (10, 213514), (14, 152510), (20, 106757), (28, 76255), (35, 61004), (70, 30502), (101, 21140), (140, 15251), (151, 14140), (202, 10570), (302, 7070), (404, 5285), (505, 4228), (604, 3535), (707, 3020), (755, 2828), (1010, 2114), (1057, 2020), (1414, 1510)]