179996180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{98899}}^1$

素因数の和:98928

約数の個数: 48

約数和(自身を含む): 465225600

約数和(自身を除く): 285229420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 98899, 197798, 395596, 494495, 692293, 988990, 1285687, 1384586, 1977980, 2571374, 2769172, 3461465, 5142748, 6428435, 6922930, 8999809, 12856870, 13845860, 17999618, 25713740, 35999236, 44999045, 89998090, 179996180]

約数ペア:

[(1, 179996180), (2, 89998090), (4, 44999045), (5, 35999236), (7, 25713740), (10, 17999618), (13, 13845860), (14, 12856870), (20, 8999809), (26, 6922930), (28, 6428435), (35, 5142748), (52, 3461465), (65, 2769172), (70, 2571374), (91, 1977980), (130, 1384586), (140, 1285687), (182, 988990), (260, 692293), (364, 494495), (455, 395596), (910, 197798), (1820, 98899)]