439503220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{4133}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 996624720

約数和(自身を除く): 557121500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 1636, 2045, 4090, 4133, 5317, 8180, 8266, 10634, 16532, 20665, 21268, 26585, 41330, 53170, 53729, 82660, 106340, 107458, 214916, 268645, 537290, 1074580, 1690397, 3380794, 6761588, 8451985, 16903970, 21975161, 33807940, 43950322, 87900644, 109875805, 219751610, 439503220]

約数ペア:

[(1, 439503220), (2, 219751610), (4, 109875805), (5, 87900644), (10, 43950322), (13, 33807940), (20, 21975161), (26, 16903970), (52, 8451985), (65, 6761588), (130, 3380794), (260, 1690397), (409, 1074580), (818, 537290), (1636, 268645), (2045, 214916), (4090, 107458), (4133, 106340), (5317, 82660), (8180, 53729), (8266, 53170), (10634, 41330), (16532, 26585), (20665, 21268)]