400542992

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{168013}}^1$

素因数の和:168170

約数の個数: 20

約数和(自身を含む): 781265100

約数和(自身を除く): 380722108

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 168013, 336026, 672052, 1344104, 2688208, 25033937, 50067874, 100135748, 200271496, 400542992]

約数ペア:

[(1, 400542992), (2, 200271496), (4, 100135748), (8, 50067874), (16, 25033937), (149, 2688208), (298, 1344104), (596, 672052), (1192, 336026), (2384, 168013)]