204378340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{78007}}^1$

素因数の和:78147

約数の個数: 24

約数和(自身を含む): 432476352

約数和(自身を除く): 228098012

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 78007, 156014, 312028, 390035, 780070, 1560140, 10218917, 20437834, 40875668, 51094585, 102189170, 204378340]

約数ペア:

[(1, 204378340), (2, 102189170), (4, 51094585), (5, 40875668), (10, 20437834), (20, 10218917), (131, 1560140), (262, 780070), (524, 390035), (655, 312028), (1310, 156014), (2620, 78007)]