285417920

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8831}}^1$

素因数の和:8949

約数の個数: 56

約数和(自身を含む): 686458368

約数和(自身を除く): 401040448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 6464, 8080, 8831, 16160, 17662, 32320, 35324, 44155, 70648, 88310, 141296, 176620, 282592, 353240, 565184, 706480, 891931, 1412960, 1783862, 2825920, 3567724, 4459655, 7135448, 8919310, 14270896, 17838620, 28541792, 35677240, 57083584, 71354480, 142708960, 285417920]

約数ペア:

[(1, 285417920), (2, 142708960), (4, 71354480), (5, 57083584), (8, 35677240), (10, 28541792), (16, 17838620), (20, 14270896), (32, 8919310), (40, 7135448), (64, 4459655), (80, 3567724), (101, 2825920), (160, 1783862), (202, 1412960), (320, 891931), (404, 706480), (505, 565184), (808, 353240), (1010, 282592), (1616, 176620), (2020, 141296), (3232, 88310), (4040, 70648), (6464, 44155), (8080, 35324), (8831, 32320), (16160, 17662)]