71225420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72679}}^1$

素因数の和:72702

約数の個数: 36

約数和(自身を含む): 173995920

約数和(自身を除く): 102770500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72679, 145358, 290716, 363395, 508753, 726790, 1017506, 1453580, 2035012, 2543765, 3561271, 5087530, 7122542, 10175060, 14245084, 17806355, 35612710, 71225420]

約数ペア:

[(1, 71225420), (2, 35612710), (4, 17806355), (5, 14245084), (7, 10175060), (10, 7122542), (14, 5087530), (20, 3561271), (28, 2543765), (35, 2035012), (49, 1453580), (70, 1017506), (98, 726790), (140, 508753), (196, 363395), (245, 290716), (490, 145358), (980, 72679)]