1278372290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1667}}^1$

素因数の和:2051

約数の個数: 64

約数和(自身を含む): 2632984704

約数和(自身を除く): 1354612414

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 347, 442, 694, 1105, 1667, 1735, 2210, 3334, 3470, 4511, 5899, 8335, 9022, 11798, 16670, 21671, 22555, 28339, 29495, 43342, 45110, 56678, 58990, 76687, 108355, 141695, 153374, 216710, 283390, 368407, 383435, 578449, 736814, 766870, 1156898, 1842035, 2892245, 3684070, 5784490, 7519837, 9833633, 15039674, 19667266, 37599185, 49168165, 75198370, 98336330, 127837229, 255674458, 639186145, 1278372290]

約数ペア:

[(1, 1278372290), (2, 639186145), (5, 255674458), (10, 127837229), (13, 98336330), (17, 75198370), (26, 49168165), (34, 37599185), (65, 19667266), (85, 15039674), (130, 9833633), (170, 7519837), (221, 5784490), (347, 3684070), (442, 2892245), (694, 1842035), (1105, 1156898), (1667, 766870), (1735, 736814), (2210, 578449), (3334, 383435), (3470, 368407), (4511, 283390), (5899, 216710), (8335, 153374), (9022, 141695), (11798, 108355), (16670, 76687), (21671, 58990), (22555, 56678), (28339, 45110), (29495, 43342)]