218214980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{162847}}^1$

素因数の和:162923

約数の個数: 24

約数和(自身を含む): 465093888

約数和(自身を除く): 246878908

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 162847, 325694, 651388, 814235, 1628470, 3256940, 10910749, 21821498, 43642996, 54553745, 109107490, 218214980]

約数ペア:

[(1, 218214980), (2, 109107490), (4, 54553745), (5, 43642996), (10, 21821498), (20, 10910749), (67, 3256940), (134, 1628470), (268, 814235), (335, 651388), (670, 325694), (1340, 162847)]