506660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 1378944

約数和(自身を除く): 872284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 49, 55, 70, 77, 94, 98, 110, 140, 154, 188, 196, 220, 235, 245, 308, 329, 385, 470, 490, 517, 539, 658, 770, 940, 980, 1034, 1078, 1316, 1540, 1645, 2068, 2156, 2303, 2585, 2695, 3290, 3619, 4606, 5170, 5390, 6580, 7238, 9212, 10340, 10780, 11515, 14476, 18095, 23030, 25333, 36190, 46060, 50666, 72380, 101332, 126665, 253330, 506660]

約数ペア:

[(1, 506660), (2, 253330), (4, 126665), (5, 101332), (7, 72380), (10, 50666), (11, 46060), (14, 36190), (20, 25333), (22, 23030), (28, 18095), (35, 14476), (44, 11515), (47, 10780), (49, 10340), (55, 9212), (70, 7238), (77, 6580), (94, 5390), (98, 5170), (110, 4606), (140, 3619), (154, 3290), (188, 2695), (196, 2585), (220, 2303), (235, 2156), (245, 2068), (308, 1645), (329, 1540), (385, 1316), (470, 1078), (490, 1034), (517, 980), (539, 940), (658, 770)]