201329620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^2\times {\mathrm{1889}}^1$

素因数の和:2044

約数の個数: 36

約数和(自身を含む): 428890140

約数和(自身を除く): 227560520

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1889, 3778, 5329, 7556, 9445, 10658, 18890, 21316, 26645, 37780, 53290, 106580, 137897, 275794, 551588, 689485, 1378970, 2757940, 10066481, 20132962, 40265924, 50332405, 100664810, 201329620]

約数ペア:

[(1, 201329620), (2, 100664810), (4, 50332405), (5, 40265924), (10, 20132962), (20, 10066481), (73, 2757940), (146, 1378970), (292, 689485), (365, 551588), (730, 275794), (1460, 137897), (1889, 106580), (3778, 53290), (5329, 37780), (7556, 26645), (9445, 21316), (10658, 18890)]