279925191340

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3631}}^1\times {\mathrm{7573}}^1$

素因数の和:11722

約数の個数: 48

約数和(自身を含む): 589237810560

約数和(自身を除く): 309312619220

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 3631, 5090, 7262, 7573, 10180, 14524, 15146, 18155, 30292, 36310, 37865, 72620, 75730, 151460, 1848179, 3696358, 3854657, 7392716, 7709314, 9240895, 15418628, 18481790, 19273285, 27497563, 36963580, 38546570, 54995126, 77093140, 109990252, 137487815, 274975630, 549951260, 13996259567, 27992519134, 55985038268, 69981297835, 139962595670, 279925191340]

約数ペア:

[(1, 279925191340), (2, 139962595670), (4, 69981297835), (5, 55985038268), (10, 27992519134), (20, 13996259567), (509, 549951260), (1018, 274975630), (2036, 137487815), (2545, 109990252), (3631, 77093140), (5090, 54995126), (7262, 38546570), (7573, 36963580), (10180, 27497563), (14524, 19273285), (15146, 18481790), (18155, 15418628), (30292, 9240895), (36310, 7709314), (37865, 7392716), (72620, 3854657), (75730, 3696358), (151460, 1848179)]