289089990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 912218112

約数和(自身を除く): 623128122

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 71, 90, 105, 115, 126, 138, 142, 161, 207, 210, 213, 230, 281, 315, 322, 345, 355, 414, 426, 483, 497, 562, 630, 639, 690, 710, 805, 843, 966, 994, 1035, 1065, 1278, 1405, 1449, 1491, 1610, 1633, 1686, 1967, 2070, 2130, 2415, 2485, 2529, 2810, 2898, 2982, 3195, 3266, 3934, 4215, 4473, 4830, 4899, 4970, 5058, 5901, 6390, 6463, 7245, 7455, 8165, 8430, 8946, 9798, 9835, 11431, 11802, 12645, 12926, 14490, 14697, 14910, 16330, 17703, 19389, 19670, 19951, 22365, 22862, 24495, 25290, 29394, 29505, 32315, 34293, 35406, 38778, 39902, 44730, 45241, 48990, 57155, 58167, 59010, 59853, 64630, 68586, 73485, 88515, 90482, 96945, 99755, 102879, 114310, 116334, 119706, 135723, 139657, 146970, 171465, 177030, 179559, 193890, 199510, 205758, 226205, 271446, 279314, 290835, 299265, 342930, 359118, 407169, 418971, 452410, 458873, 514395, 581670, 598530, 678615, 698285, 814338, 837942, 897795, 917746, 1028790, 1256913, 1357230, 1376619, 1396570, 1795590, 2035845, 2094855, 2294365, 2513826, 2753238, 3212111, 4071690, 4129857, 4189710, 4588730, 6284565, 6424222, 6883095, 8259714, 9636333, 12569130, 13766190, 16060555, 19272666, 20649285, 28908999, 32121110, 41298570, 48181665, 57817998, 96363330, 144544995, 289089990]

約数ペア:

[(1, 289089990), (2, 144544995), (3, 96363330), (5, 57817998), (6, 48181665), (7, 41298570), (9, 32121110), (10, 28908999), (14, 20649285), (15, 19272666), (18, 16060555), (21, 13766190), (23, 12569130), (30, 9636333), (35, 8259714), (42, 6883095), (45, 6424222), (46, 6284565), (63, 4588730), (69, 4189710), (70, 4129857), (71, 4071690), (90, 3212111), (105, 2753238), (115, 2513826), (126, 2294365), (138, 2094855), (142, 2035845), (161, 1795590), (207, 1396570), (210, 1376619), (213, 1357230), (230, 1256913), (281, 1028790), (315, 917746), (322, 897795), (345, 837942), (355, 814338), (414, 698285), (426, 678615), (483, 598530), (497, 581670), (562, 514395), (630, 458873), (639, 452410), (690, 418971), (710, 407169), (805, 359118), (843, 342930), (966, 299265), (994, 290835), (1035, 279314), (1065, 271446), (1278, 226205), (1405, 205758), (1449, 199510), (1491, 193890), (1610, 179559), (1633, 177030), (1686, 171465), (1967, 146970), (2070, 139657), (2130, 135723), (2415, 119706), (2485, 116334), (2529, 114310), (2810, 102879), (2898, 99755), (2982, 96945), (3195, 90482), (3266, 88515), (3934, 73485), (4215, 68586), (4473, 64630), (4830, 59853), (4899, 59010), (4970, 58167), (5058, 57155), (5901, 48990), (6390, 45241), (6463, 44730), (7245, 39902), (7455, 38778), (8165, 35406), (8430, 34293), (8946, 32315), (9798, 29505), (9835, 29394), (11431, 25290), (11802, 24495), (12645, 22862), (12926, 22365), (14490, 19951), (14697, 19670), (14910, 19389), (16330, 17703)]