214880900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{165293}}^1$

素因数の和:165320

約数の個数: 36

約数和(自身を含む): 502163172

約数和(自身を除く): 287282272

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 165293, 330586, 661172, 826465, 1652930, 2148809, 3305860, 4132325, 4297618, 8264650, 8595236, 10744045, 16529300, 21488090, 42976180, 53720225, 107440450, 214880900]

約数ペア:

[(1, 214880900), (2, 107440450), (4, 53720225), (5, 42976180), (10, 21488090), (13, 16529300), (20, 10744045), (25, 8595236), (26, 8264650), (50, 4297618), (52, 4132325), (65, 3305860), (100, 2148809), (130, 1652930), (260, 826465), (325, 661172), (650, 330586), (1300, 165293)]