420059920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24197}}^1$

素因数の和:24248

約数の個数: 80

約数和(自身を含む): 1152211968

約数和(自身を除く): 732152048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 24197, 48394, 96788, 120985, 169379, 193576, 241970, 338758, 387152, 483940, 677516, 750107, 846895, 967880, 1355032, 1500214, 1693790, 1935760, 2710064, 3000428, 3387580, 3750535, 5250749, 6000856, 6775160, 7501070, 10501498, 12001712, 13550320, 15002140, 21002996, 26253745, 30004280, 42005992, 52507490, 60008560, 84011984, 105014980, 210029960, 420059920]

約数ペア:

[(1, 420059920), (2, 210029960), (4, 105014980), (5, 84011984), (7, 60008560), (8, 52507490), (10, 42005992), (14, 30004280), (16, 26253745), (20, 21002996), (28, 15002140), (31, 13550320), (35, 12001712), (40, 10501498), (56, 7501070), (62, 6775160), (70, 6000856), (80, 5250749), (112, 3750535), (124, 3387580), (140, 3000428), (155, 2710064), (217, 1935760), (248, 1693790), (280, 1500214), (310, 1355032), (434, 967880), (496, 846895), (560, 750107), (620, 677516), (868, 483940), (1085, 387152), (1240, 338758), (1736, 241970), (2170, 193576), (2480, 169379), (3472, 120985), (4340, 96788), (8680, 48394), (17360, 24197)]