129487400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 356969340

約数和(自身を除く): 227481940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 73, 98, 100, 140, 146, 175, 181, 196, 200, 245, 280, 292, 350, 362, 365, 392, 490, 511, 584, 700, 724, 730, 905, 980, 1022, 1225, 1267, 1400, 1448, 1460, 1810, 1825, 1960, 2044, 2450, 2534, 2555, 2920, 3577, 3620, 3650, 4088, 4525, 4900, 5068, 5110, 6335, 7154, 7240, 7300, 8869, 9050, 9800, 10136, 10220, 12670, 12775, 13213, 14308, 14600, 17738, 17885, 18100, 20440, 25340, 25550, 26426, 28616, 31675, 35476, 35770, 36200, 44345, 50680, 51100, 52852, 63350, 66065, 70952, 71540, 88690, 89425, 92491, 102200, 105704, 126700, 132130, 143080, 177380, 178850, 184982, 221725, 253400, 264260, 330325, 354760, 357700, 369964, 443450, 462455, 528520, 647437, 660650, 715400, 739928, 886900, 924910, 1294874, 1321300, 1773800, 1849820, 2312275, 2589748, 2642600, 3237185, 3699640, 4624550, 5179496, 6474370, 9249100, 12948740, 16185925, 18498200, 25897480, 32371850, 64743700, 129487400]

約数ペア:

[(1, 129487400), (2, 64743700), (4, 32371850), (5, 25897480), (7, 18498200), (8, 16185925), (10, 12948740), (14, 9249100), (20, 6474370), (25, 5179496), (28, 4624550), (35, 3699640), (40, 3237185), (49, 2642600), (50, 2589748), (56, 2312275), (70, 1849820), (73, 1773800), (98, 1321300), (100, 1294874), (140, 924910), (146, 886900), (175, 739928), (181, 715400), (196, 660650), (200, 647437), (245, 528520), (280, 462455), (292, 443450), (350, 369964), (362, 357700), (365, 354760), (392, 330325), (490, 264260), (511, 253400), (584, 221725), (700, 184982), (724, 178850), (730, 177380), (905, 143080), (980, 132130), (1022, 126700), (1225, 105704), (1267, 102200), (1400, 92491), (1448, 89425), (1460, 88690), (1810, 71540), (1825, 70952), (1960, 66065), (2044, 63350), (2450, 52852), (2534, 51100), (2555, 50680), (2920, 44345), (3577, 36200), (3620, 35770), (3650, 35476), (4088, 31675), (4525, 28616), (4900, 26426), (5068, 25550), (5110, 25340), (6335, 20440), (7154, 18100), (7240, 17885), (7300, 17738), (8869, 14600), (9050, 14308), (9800, 13213), (10136, 12775), (10220, 12670)]