205737980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1469557}}^1$

素因数の和:1469573

約数の個数: 24

約数和(自身を含む): 493771488

約数和(自身を除く): 288033508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1469557, 2939114, 5878228, 7347785, 10286899, 14695570, 20573798, 29391140, 41147596, 51434495, 102868990, 205737980]

約数ペア:

[(1, 205737980), (2, 102868990), (4, 51434495), (5, 41147596), (7, 29391140), (10, 20573798), (14, 14695570), (20, 10286899), (28, 7347785), (35, 5878228), (70, 2939114), (140, 1469557)]