1780894340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1680089}}^1$

素因数の和:1680151

約数の個数: 24

約数和(自身を含む): 3810444120

約数和(自身を除く): 2029549780

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1680089, 3360178, 6720356, 8400445, 16800890, 33601780, 89044717, 178089434, 356178868, 445223585, 890447170, 1780894340]

約数ペア:

[(1, 1780894340), (2, 890447170), (4, 445223585), (5, 356178868), (10, 178089434), (20, 89044717), (53, 33601780), (106, 16800890), (212, 8400445), (265, 6720356), (530, 3360178), (1060, 1680089)]