220459120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{393677}}^1$

素因数の和:393697

約数の個数: 40

約数和(自身を含む): 585792864

約数和(自身を除く): 365333744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 393677, 787354, 1574708, 1968385, 2755739, 3149416, 3936770, 5511478, 6298832, 7873540, 11022956, 13778695, 15747080, 22045912, 27557390, 31494160, 44091824, 55114780, 110229560, 220459120]

約数ペア:

[(1, 220459120), (2, 110229560), (4, 55114780), (5, 44091824), (7, 31494160), (8, 27557390), (10, 22045912), (14, 15747080), (16, 13778695), (20, 11022956), (28, 7873540), (35, 6298832), (40, 5511478), (56, 3936770), (70, 3149416), (80, 2755739), (112, 1968385), (140, 1574708), (280, 787354), (560, 393677)]