201635400820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205750409}}^1$

素因数の和:205750432

約数の個数: 36

約数和(自身を含む): 492566481540

約数和(自身を除く): 290931080720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205750409, 411500818, 823001636, 1028752045, 1440252863, 2057504090, 2880505726, 4115008180, 5761011452, 7201264315, 10081770041, 14402528630, 20163540082, 28805057260, 40327080164, 50408850205, 100817700410, 201635400820]

約数ペア:

[(1, 201635400820), (2, 100817700410), (4, 50408850205), (5, 40327080164), (7, 28805057260), (10, 20163540082), (14, 14402528630), (20, 10081770041), (28, 7201264315), (35, 5761011452), (49, 4115008180), (70, 2880505726), (98, 2057504090), (140, 1440252863), (196, 1028752045), (245, 823001636), (490, 411500818), (980, 205750409)]