123799240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{42397}}^1$

素因数の和:42481

約数の個数: 32

約数和(自身を含む): 282370680

約数和(自身を除く): 158571440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 42397, 84794, 169588, 211985, 339176, 423970, 847940, 1695880, 3094981, 6189962, 12379924, 15474905, 24759848, 30949810, 61899620, 123799240]

約数ペア:

[(1, 123799240), (2, 61899620), (4, 30949810), (5, 24759848), (8, 15474905), (10, 12379924), (20, 6189962), (40, 3094981), (73, 1695880), (146, 847940), (292, 423970), (365, 339176), (584, 211985), (730, 169588), (1460, 84794), (2920, 42397)]