28820330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5347}}^1$

素因数の和:5379

約数の個数: 48

約数和(自身を含む): 65844576

約数和(自身を除く): 37024246

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5347, 5390, 10694, 26735, 37429, 53470, 58817, 74858, 117634, 187145, 262003, 294085, 374290, 411719, 524006, 588170, 823438, 1310015, 2058595, 2620030, 2882033, 4117190, 5764066, 14410165, 28820330]

約数ペア:

[(1, 28820330), (2, 14410165), (5, 5764066), (7, 4117190), (10, 2882033), (11, 2620030), (14, 2058595), (22, 1310015), (35, 823438), (49, 588170), (55, 524006), (70, 411719), (77, 374290), (98, 294085), (110, 262003), (154, 187145), (245, 117634), (385, 74858), (490, 58817), (539, 53470), (770, 37429), (1078, 26735), (2695, 10694), (5347, 5390)]