400019256

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:515

約数の個数: 256

約数和(自身を含む): 1399910400

約数和(自身を除く): 999891144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 47, 52, 54, 56, 63, 72, 78, 84, 91, 94, 104, 108, 117, 126, 141, 156, 168, 182, 188, 189, 216, 234, 252, 273, 282, 312, 329, 351, 364, 376, 378, 423, 433, 468, 504, 546, 564, 611, 658, 702, 728, 756, 819, 846, 866, 936, 987, 1092, 1128, 1222, 1269, 1299, 1316, 1404, 1512, 1638, 1692, 1732, 1833, 1974, 2184, 2444, 2457, 2538, 2598, 2632, 2808, 2961, 3031, 3276, 3384, 3464, 3666, 3897, 3948, 4277, 4888, 4914, 5076, 5196, 5499, 5629, 5922, 6062, 6552, 7332, 7794, 7896, 8554, 8883, 9093, 9828, 10152, 10392, 10998, 11258, 11691, 11844, 12124, 12831, 14664, 15588, 16497, 16887, 17108, 17766, 18186, 19656, 20351, 21996, 22516, 23382, 23688, 24248, 25662, 27279, 31176, 32994, 33774, 34216, 35532, 36372, 38493, 39403, 40702, 43992, 45032, 46764, 50661, 51324, 54558, 61053, 65988, 67548, 71064, 72744, 76986, 78806, 81404, 81837, 93528, 101322, 102648, 109116, 115479, 118209, 122106, 131976, 135096, 142457, 151983, 153972, 157612, 162808, 163674, 183159, 202644, 218232, 230958, 236418, 244212, 264563, 284914, 303966, 307944, 315224, 327348, 354627, 366318, 405288, 427371, 461916, 472836, 488424, 529126, 549477, 569828, 607932, 654696, 709254, 732636, 793689, 854742, 923832, 945672, 1058252, 1063881, 1098954, 1139656, 1215864, 1282113, 1418508, 1465272, 1587378, 1709484, 1851941, 2116504, 2127762, 2197908, 2381067, 2564226, 2837016, 3174756, 3418968, 3703882, 3846339, 4255524, 4395816, 4762134, 5128452, 5555823, 6349512, 7143201, 7407764, 7692678, 8511048, 9524268, 10256904, 11111646, 14286402, 14815528, 15385356, 16667469, 19048536, 22223292, 28572804, 30770712, 33334938, 44446584, 50002407, 57145608, 66669876, 100004814, 133339752, 200009628, 400019256]

約数ペア:

[(1, 400019256), (2, 200009628), (3, 133339752), (4, 100004814), (6, 66669876), (7, 57145608), (8, 50002407), (9, 44446584), (12, 33334938), (13, 30770712), (14, 28572804), (18, 22223292), (21, 19048536), (24, 16667469), (26, 15385356), (27, 14815528), (28, 14286402), (36, 11111646), (39, 10256904), (42, 9524268), (47, 8511048), (52, 7692678), (54, 7407764), (56, 7143201), (63, 6349512), (72, 5555823), (78, 5128452), (84, 4762134), (91, 4395816), (94, 4255524), (104, 3846339), (108, 3703882), (117, 3418968), (126, 3174756), (141, 2837016), (156, 2564226), (168, 2381067), (182, 2197908), (188, 2127762), (189, 2116504), (216, 1851941), (234, 1709484), (252, 1587378), (273, 1465272), (282, 1418508), (312, 1282113), (329, 1215864), (351, 1139656), (364, 1098954), (376, 1063881), (378, 1058252), (423, 945672), (433, 923832), (468, 854742), (504, 793689), (546, 732636), (564, 709254), (611, 654696), (658, 607932), (702, 569828), (728, 549477), (756, 529126), (819, 488424), (846, 472836), (866, 461916), (936, 427371), (987, 405288), (1092, 366318), (1128, 354627), (1222, 327348), (1269, 315224), (1299, 307944), (1316, 303966), (1404, 284914), (1512, 264563), (1638, 244212), (1692, 236418), (1732, 230958), (1833, 218232), (1974, 202644), (2184, 183159), (2444, 163674), (2457, 162808), (2538, 157612), (2598, 153972), (2632, 151983), (2808, 142457), (2961, 135096), (3031, 131976), (3276, 122106), (3384, 118209), (3464, 115479), (3666, 109116), (3897, 102648), (3948, 101322), (4277, 93528), (4888, 81837), (4914, 81404), (5076, 78806), (5196, 76986), (5499, 72744), (5629, 71064), (5922, 67548), (6062, 65988), (6552, 61053), (7332, 54558), (7794, 51324), (7896, 50661), (8554, 46764), (8883, 45032), (9093, 43992), (9828, 40702), (10152, 39403), (10392, 38493), (10998, 36372), (11258, 35532), (11691, 34216), (11844, 33774), (12124, 32994), (12831, 31176), (14664, 27279), (15588, 25662), (16497, 24248), (16887, 23688), (17108, 23382), (17766, 22516), (18186, 21996), (19656, 20351)]