214421620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{1409}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 515450880

約数和(自身を除く): 301029260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1087, 1409, 2174, 2818, 4348, 5435, 5636, 7045, 7609, 9863, 10870, 14090, 15218, 19726, 21740, 28180, 30436, 38045, 39452, 49315, 76090, 98630, 152180, 197260, 1531583, 3063166, 6126332, 7657915, 10721081, 15315830, 21442162, 30631660, 42884324, 53605405, 107210810, 214421620]

約数ペア:

[(1, 214421620), (2, 107210810), (4, 53605405), (5, 42884324), (7, 30631660), (10, 21442162), (14, 15315830), (20, 10721081), (28, 7657915), (35, 6126332), (70, 3063166), (140, 1531583), (1087, 197260), (1409, 152180), (2174, 98630), (2818, 76090), (4348, 49315), (5435, 39452), (5636, 38045), (7045, 30436), (7609, 28180), (9863, 21740), (10870, 19726), (14090, 15218)]