620490850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4211}}^1$

素因数の和:4651

約数の個数: 48

約数和(自身を含む): 1322433216

約数和(自身を除く): 701942366

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 421, 842, 2105, 2947, 4210, 4211, 5894, 8422, 10525, 14735, 21050, 21055, 29470, 29477, 42110, 58954, 73675, 105275, 147350, 147385, 210550, 294770, 736925, 1473850, 1772831, 3545662, 8864155, 12409817, 17728310, 24819634, 44320775, 62049085, 88641550, 124098170, 310245425, 620490850]

約数ペア:

[(1, 620490850), (2, 310245425), (5, 124098170), (7, 88641550), (10, 62049085), (14, 44320775), (25, 24819634), (35, 17728310), (50, 12409817), (70, 8864155), (175, 3545662), (350, 1772831), (421, 1473850), (842, 736925), (2105, 294770), (2947, 210550), (4210, 147385), (4211, 147350), (5894, 105275), (8422, 73675), (10525, 58954), (14735, 42110), (21050, 29477), (21055, 29470)]