287725100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{221327}}^1$

素因数の和:221354

約数の個数: 36

約数和(自身を含む): 672394464

約数和(自身を除く): 384669364

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 221327, 442654, 885308, 1106635, 2213270, 2877251, 4426540, 5533175, 5754502, 11066350, 11509004, 14386255, 22132700, 28772510, 57545020, 71931275, 143862550, 287725100]

約数ペア:

[(1, 287725100), (2, 143862550), (4, 71931275), (5, 57545020), (10, 28772510), (13, 22132700), (20, 14386255), (25, 11509004), (26, 11066350), (50, 5754502), (52, 5533175), (65, 4426540), (100, 2877251), (130, 2213270), (260, 1106635), (325, 885308), (650, 442654), (1300, 221327)]