7940999920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{108247}}^1$

素因数の和:108398

約数の個数: 80

約数和(自身を含む): 21261639168

約数和(自身を除く): 13320639248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 3668, 4585, 5240, 7336, 9170, 10480, 14672, 18340, 36680, 73360, 108247, 216494, 432988, 541235, 757729, 865976, 1082470, 1515458, 1731952, 2164940, 3030916, 3788645, 4329880, 6061832, 7577290, 8659760, 12123664, 14180357, 15154580, 28360714, 30309160, 56721428, 60618320, 70901785, 99262499, 113442856, 141803570, 198524998, 226885712, 283607140, 397049996, 496312495, 567214280, 794099992, 992624990, 1134428560, 1588199984, 1985249980, 3970499960, 7940999920]

約数ペア:

[(1, 7940999920), (2, 3970499960), (4, 1985249980), (5, 1588199984), (7, 1134428560), (8, 992624990), (10, 794099992), (14, 567214280), (16, 496312495), (20, 397049996), (28, 283607140), (35, 226885712), (40, 198524998), (56, 141803570), (70, 113442856), (80, 99262499), (112, 70901785), (131, 60618320), (140, 56721428), (262, 30309160), (280, 28360714), (524, 15154580), (560, 14180357), (655, 12123664), (917, 8659760), (1048, 7577290), (1310, 6061832), (1834, 4329880), (2096, 3788645), (2620, 3030916), (3668, 2164940), (4585, 1731952), (5240, 1515458), (7336, 1082470), (9170, 865976), (10480, 757729), (14672, 541235), (18340, 432988), (36680, 216494), (73360, 108247)]