30806900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4339}}^1$

素因数の和:4424

約数の個数: 36

約数和(自身を含む): 67808160

約数和(自身を除く): 37001260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 4339, 7100, 8678, 17356, 21695, 43390, 86780, 108475, 216950, 308069, 433900, 616138, 1232276, 1540345, 3080690, 6161380, 7701725, 15403450, 30806900]

約数ペア:

[(1, 30806900), (2, 15403450), (4, 7701725), (5, 6161380), (10, 3080690), (20, 1540345), (25, 1232276), (50, 616138), (71, 433900), (100, 308069), (142, 216950), (284, 108475), (355, 86780), (710, 43390), (1420, 21695), (1775, 17356), (3550, 8678), (4339, 7100)]