71375380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 156618000

約数和(自身を除く): 85242620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 1090, 1129, 2180, 2258, 3161, 4516, 5645, 6322, 11290, 12644, 15805, 22580, 31610, 32741, 63220, 65482, 123061, 130964, 163705, 246122, 327410, 492244, 615305, 654820, 1230610, 2461220, 3568769, 7137538, 14275076, 17843845, 35687690, 71375380]

約数ペア:

[(1, 71375380), (2, 35687690), (4, 17843845), (5, 14275076), (10, 7137538), (20, 3568769), (29, 2461220), (58, 1230610), (109, 654820), (116, 615305), (145, 492244), (218, 327410), (290, 246122), (436, 163705), (545, 130964), (580, 123061), (1090, 65482), (1129, 63220), (2180, 32741), (2258, 31610), (3161, 22580), (4516, 15805), (5645, 12644), (6322, 11290)]