209528620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65071}}^1$

素因数の和:65110

約数の個数: 48

約数和(自身を含む): 524740608

約数和(自身を除く): 315211988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 65071, 130142, 260284, 325355, 455497, 650710, 910994, 1301420, 1496633, 1821988, 2277485, 2993266, 4554970, 5986532, 7483165, 9109940, 10476431, 14966330, 20952862, 29932660, 41905724, 52382155, 104764310, 209528620]

約数ペア:

[(1, 209528620), (2, 104764310), (4, 52382155), (5, 41905724), (7, 29932660), (10, 20952862), (14, 14966330), (20, 10476431), (23, 9109940), (28, 7483165), (35, 5986532), (46, 4554970), (70, 2993266), (92, 2277485), (115, 1821988), (140, 1496633), (161, 1301420), (230, 910994), (322, 650710), (460, 455497), (644, 325355), (805, 260284), (1610, 130142), (3220, 65071)]