219753640

素因数分解:

$2^3\times 5^1\times {\mathrm{2273}}^1\times {\mathrm{2417}}^1$

素因数の和:4701

約数の個数: 32

約数和(自身を含む): 494867880

約数和(自身を除く): 275114240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2273, 2417, 4546, 4834, 9092, 9668, 11365, 12085, 18184, 19336, 22730, 24170, 45460, 48340, 90920, 96680, 5493841, 10987682, 21975364, 27469205, 43950728, 54938410, 109876820, 219753640]

約数ペア:

[(1, 219753640), (2, 109876820), (4, 54938410), (5, 43950728), (8, 27469205), (10, 21975364), (20, 10987682), (40, 5493841), (2273, 96680), (2417, 90920), (4546, 48340), (4834, 45460), (9092, 24170), (9668, 22730), (11365, 19336), (12085, 18184)]