855486590

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{13127}}^1$

素因数の和:13174

約数の個数: 64

約数和(自身を含む): 1890432000

約数和(自身を除く): 1034945410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 343, 490, 665, 686, 931, 1330, 1715, 1862, 3430, 4655, 6517, 9310, 13034, 13127, 26254, 32585, 65170, 65635, 91889, 131270, 183778, 249413, 459445, 498826, 643223, 918890, 1247065, 1286446, 1745891, 2494130, 3216115, 3491782, 4502561, 6432230, 8729455, 9005122, 12221237, 17458910, 22512805, 24442474, 45025610, 61106185, 85548659, 122212370, 171097318, 427743295, 855486590]

約数ペア:

[(1, 855486590), (2, 427743295), (5, 171097318), (7, 122212370), (10, 85548659), (14, 61106185), (19, 45025610), (35, 24442474), (38, 22512805), (49, 17458910), (70, 12221237), (95, 9005122), (98, 8729455), (133, 6432230), (190, 4502561), (245, 3491782), (266, 3216115), (343, 2494130), (490, 1745891), (665, 1286446), (686, 1247065), (931, 918890), (1330, 643223), (1715, 498826), (1862, 459445), (3430, 249413), (4655, 183778), (6517, 131270), (9310, 91889), (13034, 65635), (13127, 65170), (26254, 32585)]