2099860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 5152896

約数和(自身を除く): 3053036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 283, 371, 530, 566, 742, 1060, 1132, 1415, 1484, 1855, 1981, 2830, 3710, 3962, 5660, 7420, 7924, 9905, 14999, 19810, 29998, 39620, 59996, 74995, 104993, 149990, 209986, 299980, 419972, 524965, 1049930, 2099860]

約数ペア:

[(1, 2099860), (2, 1049930), (4, 524965), (5, 419972), (7, 299980), (10, 209986), (14, 149990), (20, 104993), (28, 74995), (35, 59996), (53, 39620), (70, 29998), (106, 19810), (140, 14999), (212, 9905), (265, 7924), (283, 7420), (371, 5660), (530, 3962), (566, 3710), (742, 2830), (1060, 1981), (1132, 1855), (1415, 1484)]