400669668

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 216

約数和(自身を含む): 1290691584

約数和(自身を除く): 890021916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 31, 34, 36, 42, 49, 51, 62, 63, 68, 84, 93, 98, 102, 119, 124, 126, 147, 153, 186, 196, 204, 217, 238, 252, 279, 294, 306, 357, 372, 431, 434, 441, 476, 527, 558, 588, 612, 651, 714, 833, 862, 868, 882, 1054, 1071, 1116, 1293, 1302, 1428, 1519, 1581, 1666, 1724, 1764, 1953, 2108, 2142, 2499, 2586, 2604, 3017, 3038, 3162, 3332, 3689, 3879, 3906, 4284, 4557, 4743, 4998, 5172, 6034, 6076, 6324, 7327, 7378, 7497, 7758, 7812, 9051, 9114, 9486, 9996, 11067, 12068, 13361, 13671, 14654, 14756, 14994, 15516, 18102, 18228, 18972, 21119, 21981, 22134, 25823, 26722, 27153, 27342, 29308, 29988, 33201, 36204, 40083, 42238, 43962, 44268, 51289, 51646, 53444, 54306, 54684, 63357, 65943, 66402, 77469, 80166, 84476, 87924, 93527, 102578, 103292, 108612, 120249, 126714, 131886, 132804, 153867, 154938, 160332, 187054, 190071, 205156, 227137, 232407, 240498, 253428, 263772, 280581, 307734, 309876, 359023, 374108, 380142, 454274, 461601, 464814, 480996, 561162, 615468, 654689, 681411, 718046, 760284, 841743, 908548, 923202, 929628, 1077069, 1122324, 1309378, 1362822, 1436092, 1589959, 1683486, 1846404, 1964067, 2044233, 2154138, 2618756, 2725644, 3179918, 3231207, 3366972, 3928134, 4088466, 4308276, 4769877, 5892201, 6359836, 6462414, 7856268, 8176932, 9539754, 11129713, 11784402, 12924828, 14309631, 19079508, 22259426, 23568804, 28619262, 33389139, 44518852, 57238524, 66778278, 100167417, 133556556, 200334834, 400669668]

約数ペア:

[(1, 400669668), (2, 200334834), (3, 133556556), (4, 100167417), (6, 66778278), (7, 57238524), (9, 44518852), (12, 33389139), (14, 28619262), (17, 23568804), (18, 22259426), (21, 19079508), (28, 14309631), (31, 12924828), (34, 11784402), (36, 11129713), (42, 9539754), (49, 8176932), (51, 7856268), (62, 6462414), (63, 6359836), (68, 5892201), (84, 4769877), (93, 4308276), (98, 4088466), (102, 3928134), (119, 3366972), (124, 3231207), (126, 3179918), (147, 2725644), (153, 2618756), (186, 2154138), (196, 2044233), (204, 1964067), (217, 1846404), (238, 1683486), (252, 1589959), (279, 1436092), (294, 1362822), (306, 1309378), (357, 1122324), (372, 1077069), (431, 929628), (434, 923202), (441, 908548), (476, 841743), (527, 760284), (558, 718046), (588, 681411), (612, 654689), (651, 615468), (714, 561162), (833, 480996), (862, 464814), (868, 461601), (882, 454274), (1054, 380142), (1071, 374108), (1116, 359023), (1293, 309876), (1302, 307734), (1428, 280581), (1519, 263772), (1581, 253428), (1666, 240498), (1724, 232407), (1764, 227137), (1953, 205156), (2108, 190071), (2142, 187054), (2499, 160332), (2586, 154938), (2604, 153867), (3017, 132804), (3038, 131886), (3162, 126714), (3332, 120249), (3689, 108612), (3879, 103292), (3906, 102578), (4284, 93527), (4557, 87924), (4743, 84476), (4998, 80166), (5172, 77469), (6034, 66402), (6076, 65943), (6324, 63357), (7327, 54684), (7378, 54306), (7497, 53444), (7758, 51646), (7812, 51289), (9051, 44268), (9114, 43962), (9486, 42238), (9996, 40083), (11067, 36204), (12068, 33201), (13361, 29988), (13671, 29308), (14654, 27342), (14756, 27153), (14994, 26722), (15516, 25823), (18102, 22134), (18228, 21981), (18972, 21119)]