988857584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 2534421120

約数和(自身を除く): 1545563536

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 23, 26, 38, 43, 44, 46, 52, 76, 86, 88, 92, 104, 143, 152, 172, 176, 184, 208, 209, 247, 253, 286, 299, 304, 344, 368, 418, 437, 473, 494, 506, 529, 559, 572, 598, 688, 817, 836, 874, 946, 988, 989, 1012, 1058, 1118, 1144, 1196, 1634, 1672, 1748, 1892, 1976, 1978, 2024, 2116, 2236, 2288, 2392, 2717, 3268, 3289, 3344, 3496, 3784, 3952, 3956, 4048, 4232, 4472, 4784, 4807, 5434, 5681, 5819, 6149, 6536, 6578, 6877, 6992, 7568, 7912, 8464, 8944, 8987, 9614, 10051, 10621, 10868, 10879, 11362, 11638, 12298, 12857, 13072, 13156, 13754, 15824, 17974, 18791, 19228, 20102, 21242, 21736, 21758, 22724, 22747, 23276, 24596, 25714, 26312, 27508, 35948, 37582, 38456, 40204, 42484, 43472, 43516, 45448, 45494, 46552, 49192, 51428, 52624, 55016, 62491, 71896, 75164, 75647, 76912, 80408, 84968, 87032, 90896, 90988, 93104, 98384, 102856, 110032, 110561, 116831, 124982, 130663, 141427, 143792, 150328, 151294, 160816, 169936, 174064, 181976, 205712, 206701, 221122, 233662, 244283, 249964, 250217, 261326, 282854, 295711, 300656, 302588, 363952, 413402, 432193, 442244, 467324, 488566, 499928, 500434, 522652, 565708, 591422, 605176, 826804, 864386, 884488, 934648, 977132, 999856, 1000868, 1045304, 1131416, 1182844, 1210352, 1437293, 1653608, 1728772, 1768976, 1869296, 1954264, 2001736, 2090608, 2262832, 2365688, 2687113, 2874586, 3252821, 3307216, 3457544, 3908528, 4003472, 4731376, 4754123, 5374226, 5618509, 5749172, 6505642, 6915088, 9508246, 10748452, 11237018, 11498344, 13011284, 19016492, 21496904, 22474036, 22996688, 26022568, 38032984, 42993808, 44948072, 52045136, 61803599, 76065968, 89896144, 123607198, 247214396, 494428792, 988857584]

約数ペア:

[(1, 988857584), (2, 494428792), (4, 247214396), (8, 123607198), (11, 89896144), (13, 76065968), (16, 61803599), (19, 52045136), (22, 44948072), (23, 42993808), (26, 38032984), (38, 26022568), (43, 22996688), (44, 22474036), (46, 21496904), (52, 19016492), (76, 13011284), (86, 11498344), (88, 11237018), (92, 10748452), (104, 9508246), (143, 6915088), (152, 6505642), (172, 5749172), (176, 5618509), (184, 5374226), (208, 4754123), (209, 4731376), (247, 4003472), (253, 3908528), (286, 3457544), (299, 3307216), (304, 3252821), (344, 2874586), (368, 2687113), (418, 2365688), (437, 2262832), (473, 2090608), (494, 2001736), (506, 1954264), (529, 1869296), (559, 1768976), (572, 1728772), (598, 1653608), (688, 1437293), (817, 1210352), (836, 1182844), (874, 1131416), (946, 1045304), (988, 1000868), (989, 999856), (1012, 977132), (1058, 934648), (1118, 884488), (1144, 864386), (1196, 826804), (1634, 605176), (1672, 591422), (1748, 565708), (1892, 522652), (1976, 500434), (1978, 499928), (2024, 488566), (2116, 467324), (2236, 442244), (2288, 432193), (2392, 413402), (2717, 363952), (3268, 302588), (3289, 300656), (3344, 295711), (3496, 282854), (3784, 261326), (3952, 250217), (3956, 249964), (4048, 244283), (4232, 233662), (4472, 221122), (4784, 206701), (4807, 205712), (5434, 181976), (5681, 174064), (5819, 169936), (6149, 160816), (6536, 151294), (6578, 150328), (6877, 143792), (6992, 141427), (7568, 130663), (7912, 124982), (8464, 116831), (8944, 110561), (8987, 110032), (9614, 102856), (10051, 98384), (10621, 93104), (10868, 90988), (10879, 90896), (11362, 87032), (11638, 84968), (12298, 80408), (12857, 76912), (13072, 75647), (13156, 75164), (13754, 71896), (15824, 62491), (17974, 55016), (18791, 52624), (19228, 51428), (20102, 49192), (21242, 46552), (21736, 45494), (21758, 45448), (22724, 43516), (22747, 43472), (23276, 42484), (24596, 40204), (25714, 38456), (26312, 37582), (27508, 35948)]