248727920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 680139504

約数和(自身を除く): 431411584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 107, 112, 140, 196, 214, 245, 280, 392, 428, 490, 535, 560, 593, 749, 784, 856, 980, 1070, 1186, 1498, 1712, 1960, 2140, 2372, 2965, 2996, 3745, 3920, 4151, 4280, 4744, 5243, 5930, 5992, 7490, 8302, 8560, 9488, 10486, 11860, 11984, 14980, 16604, 20755, 20972, 23720, 26215, 29057, 29960, 33208, 41510, 41944, 47440, 52430, 58114, 59920, 63451, 66416, 83020, 83888, 104860, 116228, 126902, 145285, 166040, 209720, 232456, 253804, 290570, 317255, 332080, 419440, 444157, 464912, 507608, 581140, 634510, 888314, 1015216, 1162280, 1269020, 1776628, 2220785, 2324560, 2538040, 3109099, 3553256, 4441570, 5076080, 6218198, 7106512, 8883140, 12436396, 15545495, 17766280, 24872792, 31090990, 35532560, 49745584, 62181980, 124363960, 248727920]

約数ペア:

[(1, 248727920), (2, 124363960), (4, 62181980), (5, 49745584), (7, 35532560), (8, 31090990), (10, 24872792), (14, 17766280), (16, 15545495), (20, 12436396), (28, 8883140), (35, 7106512), (40, 6218198), (49, 5076080), (56, 4441570), (70, 3553256), (80, 3109099), (98, 2538040), (107, 2324560), (112, 2220785), (140, 1776628), (196, 1269020), (214, 1162280), (245, 1015216), (280, 888314), (392, 634510), (428, 581140), (490, 507608), (535, 464912), (560, 444157), (593, 419440), (749, 332080), (784, 317255), (856, 290570), (980, 253804), (1070, 232456), (1186, 209720), (1498, 166040), (1712, 145285), (1960, 126902), (2140, 116228), (2372, 104860), (2965, 83888), (2996, 83020), (3745, 66416), (3920, 63451), (4151, 59920), (4280, 58114), (4744, 52430), (5243, 47440), (5930, 41944), (5992, 41510), (7490, 33208), (8302, 29960), (8560, 29057), (9488, 26215), (10486, 23720), (11860, 20972), (11984, 20755), (14980, 16604)]