290438500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{52807}}^1$

素因数の和:52837

約数の個数: 48

約数和(自身を含む): 691996032

約数和(自身を除く): 401557532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 52807, 105614, 211228, 264035, 528070, 580877, 1056140, 1161754, 1320175, 2323508, 2640350, 2904385, 5280700, 5808770, 6600875, 11617540, 13201750, 14521925, 26403500, 29043850, 58087700, 72609625, 145219250, 290438500]

約数ペア:

[(1, 290438500), (2, 145219250), (4, 72609625), (5, 58087700), (10, 29043850), (11, 26403500), (20, 14521925), (22, 13201750), (25, 11617540), (44, 6600875), (50, 5808770), (55, 5280700), (100, 2904385), (110, 2640350), (125, 2323508), (220, 1320175), (250, 1161754), (275, 1056140), (500, 580877), (550, 528070), (1100, 264035), (1375, 211228), (2750, 105614), (5500, 52807)]