291216730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1627}}^1\times {\mathrm{2557}}^1$

素因数の和:4198

約数の個数: 32

約数和(自身を含む): 599677056

約数和(自身を除く): 308460326

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1627, 2557, 3254, 5114, 8135, 11389, 12785, 16270, 17899, 22778, 25570, 35798, 56945, 89495, 113890, 178990, 4160239, 8320478, 20801195, 29121673, 41602390, 58243346, 145608365, 291216730]

約数ペア:

[(1, 291216730), (2, 145608365), (5, 58243346), (7, 41602390), (10, 29121673), (14, 20801195), (35, 8320478), (70, 4160239), (1627, 178990), (2557, 113890), (3254, 89495), (5114, 56945), (8135, 35798), (11389, 25570), (12785, 22778), (16270, 17899)]