289980918

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 711244800

約数和(自身を除く): 421263882

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 83, 87, 97, 138, 166, 174, 194, 207, 249, 261, 291, 414, 498, 522, 582, 621, 667, 747, 783, 873, 1242, 1334, 1494, 1566, 1746, 1909, 2001, 2231, 2241, 2407, 2619, 2813, 3818, 4002, 4462, 4482, 4814, 5238, 5626, 5727, 6003, 6693, 7221, 8051, 8439, 11454, 12006, 13386, 14442, 16102, 16878, 17181, 18009, 20079, 21663, 24153, 25317, 34362, 36018, 40158, 43326, 48306, 50634, 51543, 55361, 60237, 64699, 64989, 72459, 75951, 103086, 110722, 120474, 129398, 129978, 144918, 151902, 166083, 185173, 194097, 217377, 233479, 332166, 370346, 388194, 434754, 466958, 498249, 555519, 582291, 700437, 996498, 1111038, 1164582, 1400874, 1494747, 1666557, 1746873, 2101311, 2989494, 3333114, 3493746, 4202622, 4999671, 5370017, 6303933, 9999342, 10740034, 12607866, 16110051, 32220102, 48330153, 96660306, 144990459, 289980918]

約数ペア:

[(1, 289980918), (2, 144990459), (3, 96660306), (6, 48330153), (9, 32220102), (18, 16110051), (23, 12607866), (27, 10740034), (29, 9999342), (46, 6303933), (54, 5370017), (58, 4999671), (69, 4202622), (83, 3493746), (87, 3333114), (97, 2989494), (138, 2101311), (166, 1746873), (174, 1666557), (194, 1494747), (207, 1400874), (249, 1164582), (261, 1111038), (291, 996498), (414, 700437), (498, 582291), (522, 555519), (582, 498249), (621, 466958), (667, 434754), (747, 388194), (783, 370346), (873, 332166), (1242, 233479), (1334, 217377), (1494, 194097), (1566, 185173), (1746, 166083), (1909, 151902), (2001, 144918), (2231, 129978), (2241, 129398), (2407, 120474), (2619, 110722), (2813, 103086), (3818, 75951), (4002, 72459), (4462, 64989), (4482, 64699), (4814, 60237), (5238, 55361), (5626, 51543), (5727, 50634), (6003, 48306), (6693, 43326), (7221, 40158), (8051, 36018), (8439, 34362), (11454, 25317), (12006, 24153), (13386, 21663), (14442, 20079), (16102, 18009), (16878, 17181)]