740487988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 1383827200

約数和(自身を除く): 643339212

約数列:

[1, 2, 4, 19, 38, 76, 157, 229, 271, 314, 458, 542, 628, 916, 1084, 2983, 4351, 5149, 5966, 8702, 10298, 11932, 17404, 20596, 35953, 42547, 62059, 71906, 85094, 124118, 143812, 170188, 248236, 683107, 808393, 1179121, 1366214, 1616786, 2358242, 2732428, 3233572, 4716484, 9743263, 19486526, 38973052, 185121997, 370243994, 740487988]

約数ペア:

[(1, 740487988), (2, 370243994), (4, 185121997), (19, 38973052), (38, 19486526), (76, 9743263), (157, 4716484), (229, 3233572), (271, 2732428), (314, 2358242), (458, 1616786), (542, 1366214), (628, 1179121), (916, 808393), (1084, 683107), (2983, 248236), (4351, 170188), (5149, 143812), (5966, 124118), (8702, 85094), (10298, 71906), (11932, 62059), (17404, 42547), (20596, 35953)]