380028280

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{22567}}^1$

素因数の和:22999

約数の個数: 32

約数和(自身を含む): 857132640

約数和(自身を除く): 477104360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 22567, 45134, 90268, 112835, 180536, 225670, 451340, 902680, 9500707, 19001414, 38002828, 47503535, 76005656, 95007070, 190014140, 380028280]

約数ペア:

[(1, 380028280), (2, 190014140), (4, 95007070), (5, 76005656), (8, 47503535), (10, 38002828), (20, 19001414), (40, 9500707), (421, 902680), (842, 451340), (1684, 225670), (2105, 180536), (3368, 112835), (4210, 90268), (8420, 45134), (16840, 22567)]