280006384

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 669707136

約数和(自身を除く): 389700752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 41, 49, 56, 62, 82, 98, 112, 124, 164, 196, 217, 248, 281, 287, 328, 392, 434, 496, 562, 574, 656, 784, 868, 1124, 1148, 1271, 1519, 1736, 1967, 2009, 2248, 2296, 2542, 3038, 3472, 3934, 4018, 4496, 4592, 5084, 6076, 7868, 8036, 8711, 8897, 10168, 11521, 12152, 13769, 15736, 16072, 17422, 17794, 20336, 23042, 24304, 27538, 31472, 32144, 34844, 35588, 46084, 55076, 60977, 62279, 69688, 71176, 80647, 92168, 110152, 121954, 124558, 139376, 142352, 161294, 184336, 220304, 243908, 249116, 322588, 357151, 426839, 487816, 498232, 564529, 645176, 714302, 853678, 975632, 996464, 1129058, 1290352, 1428604, 1707356, 2258116, 2500057, 2857208, 3414712, 4516232, 5000114, 5714416, 6829424, 9032464, 10000228, 17500399, 20000456, 35000798, 40000912, 70001596, 140003192, 280006384]

約数ペア:

[(1, 280006384), (2, 140003192), (4, 70001596), (7, 40000912), (8, 35000798), (14, 20000456), (16, 17500399), (28, 10000228), (31, 9032464), (41, 6829424), (49, 5714416), (56, 5000114), (62, 4516232), (82, 3414712), (98, 2857208), (112, 2500057), (124, 2258116), (164, 1707356), (196, 1428604), (217, 1290352), (248, 1129058), (281, 996464), (287, 975632), (328, 853678), (392, 714302), (434, 645176), (496, 564529), (562, 498232), (574, 487816), (656, 426839), (784, 357151), (868, 322588), (1124, 249116), (1148, 243908), (1271, 220304), (1519, 184336), (1736, 161294), (1967, 142352), (2009, 139376), (2248, 124558), (2296, 121954), (2542, 110152), (3038, 92168), (3472, 80647), (3934, 71176), (4018, 69688), (4496, 62279), (4592, 60977), (5084, 55076), (6076, 46084), (7868, 35588), (8036, 34844), (8711, 32144), (8897, 31472), (10168, 27538), (11521, 24304), (12152, 23042), (13769, 20336), (15736, 17794), (16072, 17422)]