557272950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{285781}}^1$

素因数の和:285809

約数の個数: 48

約数和(自身を含む): 1488352656

約数和(自身を除く): 931079706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 285781, 571562, 857343, 1428905, 1714686, 2857810, 3715153, 4286715, 7144525, 7430306, 8573430, 11145459, 14289050, 18575765, 21433575, 22290918, 37151530, 42867150, 55727295, 92878825, 111454590, 185757650, 278636475, 557272950]

約数ペア:

[(1, 557272950), (2, 278636475), (3, 185757650), (5, 111454590), (6, 92878825), (10, 55727295), (13, 42867150), (15, 37151530), (25, 22290918), (26, 21433575), (30, 18575765), (39, 14289050), (50, 11145459), (65, 8573430), (75, 7430306), (78, 7144525), (130, 4286715), (150, 3715153), (195, 2857810), (325, 1714686), (390, 1428905), (650, 857343), (975, 571562), (1950, 285781)]