210868710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{540689}}^1$

素因数の和:540712

約数の個数: 32

約数和(自身を含む): 545015520

約数和(自身を除く): 334146810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 540689, 1081378, 1622067, 2703445, 3244134, 5406890, 7028957, 8110335, 14057914, 16220670, 21086871, 35144785, 42173742, 70289570, 105434355, 210868710]

約数ペア:

[(1, 210868710), (2, 105434355), (3, 70289570), (5, 42173742), (6, 35144785), (10, 21086871), (13, 16220670), (15, 14057914), (26, 8110335), (30, 7028957), (39, 5406890), (65, 3244134), (78, 2703445), (130, 1622067), (195, 1081378), (390, 540689)]