388804960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:896

約数の個数: 96

約数和(自身を含む): 978469632

約数和(自身を除く): 589664672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 223, 272, 340, 446, 544, 641, 680, 892, 1115, 1282, 1360, 1784, 2230, 2564, 2720, 3205, 3568, 3791, 4460, 5128, 6410, 7136, 7582, 8920, 10256, 10897, 12820, 15164, 17840, 18955, 20512, 21794, 25640, 30328, 35680, 37910, 43588, 51280, 54485, 60656, 75820, 87176, 102560, 108970, 121312, 142943, 151640, 174352, 217940, 285886, 303280, 348704, 435880, 571772, 606560, 714715, 871760, 1143544, 1429430, 1743520, 2287088, 2430031, 2858860, 4574176, 4860062, 5717720, 9720124, 11435440, 12150155, 19440248, 22870880, 24300310, 38880496, 48600620, 77760992, 97201240, 194402480, 388804960]

約数ペア:

[(1, 388804960), (2, 194402480), (4, 97201240), (5, 77760992), (8, 48600620), (10, 38880496), (16, 24300310), (17, 22870880), (20, 19440248), (32, 12150155), (34, 11435440), (40, 9720124), (68, 5717720), (80, 4860062), (85, 4574176), (136, 2858860), (160, 2430031), (170, 2287088), (223, 1743520), (272, 1429430), (340, 1143544), (446, 871760), (544, 714715), (641, 606560), (680, 571772), (892, 435880), (1115, 348704), (1282, 303280), (1360, 285886), (1784, 217940), (2230, 174352), (2564, 151640), (2720, 142943), (3205, 121312), (3568, 108970), (3791, 102560), (4460, 87176), (5128, 75820), (6410, 60656), (7136, 54485), (7582, 51280), (8920, 43588), (10256, 37910), (10897, 35680), (12820, 30328), (15164, 25640), (17840, 21794), (18955, 20512)]