398655040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5741}}^1$

素因数の和:5796

約数の個数: 112

約数和(自身を含む): 1120103424

約数和(自身を除く): 721448384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 5741, 6944, 8680, 9920, 11482, 13888, 17360, 22964, 28705, 34720, 40187, 45928, 57410, 69440, 80374, 91856, 114820, 160748, 177971, 183712, 200935, 229640, 321496, 355942, 367424, 401870, 459280, 642992, 711884, 803740, 889855, 918560, 1245797, 1285984, 1423768, 1607480, 1779710, 1837120, 2491594, 2571968, 2847536, 3214960, 3559420, 4983188, 5695072, 6228985, 6429920, 7118840, 9966376, 11390144, 12457970, 12859840, 14237680, 19932752, 24915940, 28475360, 39865504, 49831880, 56950720, 79731008, 99663760, 199327520, 398655040]

約数ペア:

[(1, 398655040), (2, 199327520), (4, 99663760), (5, 79731008), (7, 56950720), (8, 49831880), (10, 39865504), (14, 28475360), (16, 24915940), (20, 19932752), (28, 14237680), (31, 12859840), (32, 12457970), (35, 11390144), (40, 9966376), (56, 7118840), (62, 6429920), (64, 6228985), (70, 5695072), (80, 4983188), (112, 3559420), (124, 3214960), (140, 2847536), (155, 2571968), (160, 2491594), (217, 1837120), (224, 1779710), (248, 1607480), (280, 1423768), (310, 1285984), (320, 1245797), (434, 918560), (448, 889855), (496, 803740), (560, 711884), (620, 642992), (868, 459280), (992, 401870), (1085, 367424), (1120, 355942), (1240, 321496), (1736, 229640), (1984, 200935), (2170, 183712), (2240, 177971), (2480, 160748), (3472, 114820), (4340, 91856), (4960, 80374), (5741, 69440), (6944, 57410), (8680, 45928), (9920, 40187), (11482, 34720), (13888, 28705), (17360, 22964)]