201457220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324931}}^1$

素因数の和:324971

約数の個数: 24

約数和(自身を含む): 436708608

約数和(自身を除く): 235251388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 324931, 649862, 1299724, 1624655, 3249310, 6498620, 10072861, 20145722, 40291444, 50364305, 100728610, 201457220]

約数ペア:

[(1, 201457220), (2, 100728610), (4, 50364305), (5, 40291444), (10, 20145722), (20, 10072861), (31, 6498620), (62, 3249310), (124, 1624655), (155, 1299724), (310, 649862), (620, 324931)]