449577520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2857}}^1$

素因数の和:3158

約数の個数: 80

約数和(自身を含む): 1199262528

約数和(自身を除く): 749685008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1967, 2248, 2810, 2857, 3934, 4496, 5620, 5714, 7868, 9835, 11240, 11428, 14285, 15736, 19670, 19999, 22480, 22856, 28570, 31472, 39340, 39998, 45712, 57140, 78680, 79996, 99995, 114280, 157360, 159992, 199990, 228560, 319984, 399980, 799960, 802817, 1599920, 1605634, 3211268, 4014085, 5619719, 6422536, 8028170, 11239438, 12845072, 16056340, 22478876, 28098595, 32112680, 44957752, 56197190, 64225360, 89915504, 112394380, 224788760, 449577520]

約数ペア:

[(1, 449577520), (2, 224788760), (4, 112394380), (5, 89915504), (7, 64225360), (8, 56197190), (10, 44957752), (14, 32112680), (16, 28098595), (20, 22478876), (28, 16056340), (35, 12845072), (40, 11239438), (56, 8028170), (70, 6422536), (80, 5619719), (112, 4014085), (140, 3211268), (280, 1605634), (281, 1599920), (560, 802817), (562, 799960), (1124, 399980), (1405, 319984), (1967, 228560), (2248, 199990), (2810, 159992), (2857, 157360), (3934, 114280), (4496, 99995), (5620, 79996), (5714, 78680), (7868, 57140), (9835, 45712), (11240, 39998), (11428, 39340), (14285, 31472), (15736, 28570), (19670, 22856), (19999, 22480)]