180824980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{27481}}^1$

素因数の和:27544

約数の個数: 48

約数和(自身を含む): 443229696

約数和(自身を除く): 262404716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 27481, 54962, 109924, 137405, 192367, 274810, 384734, 549620, 769468, 961835, 1291607, 1923670, 2583214, 3847340, 5166428, 6458035, 9041249, 12916070, 18082498, 25832140, 36164996, 45206245, 90412490, 180824980]

約数ペア:

[(1, 180824980), (2, 90412490), (4, 45206245), (5, 36164996), (7, 25832140), (10, 18082498), (14, 12916070), (20, 9041249), (28, 6458035), (35, 5166428), (47, 3847340), (70, 2583214), (94, 1923670), (140, 1291607), (188, 961835), (235, 769468), (329, 549620), (470, 384734), (658, 274810), (940, 192367), (1316, 137405), (1645, 109924), (3290, 54962), (6580, 27481)]