279999580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{105263}}^1$

素因数の和:105298

約数の個数: 48

約数和(自身を含む): 707374080

約数和(自身を除く): 427374500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 105263, 210526, 421052, 526315, 736841, 1052630, 1473682, 1999997, 2105260, 2947364, 3684205, 3999994, 7368410, 7999988, 9999985, 13999979, 14736820, 19999970, 27999958, 39999940, 55999916, 69999895, 139999790, 279999580]

約数ペア:

[(1, 279999580), (2, 139999790), (4, 69999895), (5, 55999916), (7, 39999940), (10, 27999958), (14, 19999970), (19, 14736820), (20, 13999979), (28, 9999985), (35, 7999988), (38, 7368410), (70, 3999994), (76, 3684205), (95, 2947364), (133, 2105260), (140, 1999997), (190, 1473682), (266, 1052630), (380, 736841), (532, 526315), (665, 421052), (1330, 210526), (2660, 105263)]