1944551080

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1298

約数の個数: 64

約数和(自身を含む): 4416330240

約数和(自身を除く): 2471779160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 277, 446, 554, 787, 892, 1108, 1115, 1385, 1574, 1784, 2216, 2230, 2770, 3148, 3935, 4460, 5540, 6296, 7870, 8920, 11080, 15740, 31480, 61771, 123542, 175501, 217999, 247084, 308855, 351002, 435998, 494168, 617710, 702004, 871996, 877505, 1089995, 1235420, 1404008, 1743992, 1755010, 2179990, 2470840, 3510020, 4359980, 7020040, 8719960, 48613777, 97227554, 194455108, 243068885, 388910216, 486137770, 972275540, 1944551080]

約数ペア:

[(1, 1944551080), (2, 972275540), (4, 486137770), (5, 388910216), (8, 243068885), (10, 194455108), (20, 97227554), (40, 48613777), (223, 8719960), (277, 7020040), (446, 4359980), (554, 3510020), (787, 2470840), (892, 2179990), (1108, 1755010), (1115, 1743992), (1385, 1404008), (1574, 1235420), (1784, 1089995), (2216, 877505), (2230, 871996), (2770, 702004), (3148, 617710), (3935, 494168), (4460, 435998), (5540, 351002), (6296, 308855), (7870, 247084), (8920, 217999), (11080, 175501), (15740, 123542), (31480, 61771)]