49140280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{787}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 127088640

約数和(自身を除く): 77948360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 787, 892, 1115, 1561, 1574, 1784, 2230, 3122, 3148, 3935, 4460, 5509, 6244, 6296, 7805, 7870, 8920, 11018, 12488, 15610, 15740, 22036, 27545, 31220, 31480, 44072, 55090, 62440, 110180, 175501, 220360, 351002, 702004, 877505, 1228507, 1404008, 1755010, 2457014, 3510020, 4914028, 6142535, 7020040, 9828056, 12285070, 24570140, 49140280]

約数ペア:

[(1, 49140280), (2, 24570140), (4, 12285070), (5, 9828056), (7, 7020040), (8, 6142535), (10, 4914028), (14, 3510020), (20, 2457014), (28, 1755010), (35, 1404008), (40, 1228507), (56, 877505), (70, 702004), (140, 351002), (223, 220360), (280, 175501), (446, 110180), (787, 62440), (892, 55090), (1115, 44072), (1561, 31480), (1574, 31220), (1784, 27545), (2230, 22036), (3122, 15740), (3148, 15610), (3935, 12488), (4460, 11018), (5509, 8920), (6244, 7870), (6296, 7805)]