168920500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 450567936

約数和(自身を除く): 281647436

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 125, 140, 167, 170, 175, 238, 250, 289, 334, 340, 350, 425, 476, 500, 578, 595, 668, 700, 835, 850, 875, 1156, 1169, 1190, 1445, 1670, 1700, 1750, 2023, 2125, 2338, 2380, 2839, 2890, 2975, 3340, 3500, 4046, 4175, 4250, 4676, 5678, 5780, 5845, 5950, 7225, 8092, 8350, 8500, 10115, 11356, 11690, 11900, 14195, 14450, 14875, 16700, 19873, 20230, 20875, 23380, 28390, 28900, 29225, 29750, 36125, 39746, 40460, 41750, 48263, 50575, 56780, 58450, 59500, 70975, 72250, 79492, 83500, 96526, 99365, 101150, 116900, 141950, 144500, 146125, 193052, 198730, 202300, 241315, 252875, 283900, 292250, 337841, 354875, 397460, 482630, 496825, 505750, 584500, 675682, 709750, 965260, 993650, 1011500, 1206575, 1351364, 1419500, 1689205, 1987300, 2413150, 2484125, 3378410, 4826300, 4968250, 6032875, 6756820, 8446025, 9936500, 12065750, 16892050, 24131500, 33784100, 42230125, 84460250, 168920500]

約数ペア:

[(1, 168920500), (2, 84460250), (4, 42230125), (5, 33784100), (7, 24131500), (10, 16892050), (14, 12065750), (17, 9936500), (20, 8446025), (25, 6756820), (28, 6032875), (34, 4968250), (35, 4826300), (50, 3378410), (68, 2484125), (70, 2413150), (85, 1987300), (100, 1689205), (119, 1419500), (125, 1351364), (140, 1206575), (167, 1011500), (170, 993650), (175, 965260), (238, 709750), (250, 675682), (289, 584500), (334, 505750), (340, 496825), (350, 482630), (425, 397460), (476, 354875), (500, 337841), (578, 292250), (595, 283900), (668, 252875), (700, 241315), (835, 202300), (850, 198730), (875, 193052), (1156, 146125), (1169, 144500), (1190, 141950), (1445, 116900), (1670, 101150), (1700, 99365), (1750, 96526), (2023, 83500), (2125, 79492), (2338, 72250), (2380, 70975), (2839, 59500), (2890, 58450), (2975, 56780), (3340, 50575), (3500, 48263), (4046, 41750), (4175, 40460), (4250, 39746), (4676, 36125), (5678, 29750), (5780, 29225), (5845, 28900), (5950, 28390), (7225, 23380), (8092, 20875), (8350, 20230), (8500, 19873), (10115, 16700), (11356, 14875), (11690, 14450), (11900, 14195)]