30751420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31379}}^1$

素因数の和:31402

約数の個数: 36

約数和(自身を含む): 75123720

約数和(自身を除く): 44372300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31379, 62758, 125516, 156895, 219653, 313790, 439306, 627580, 878612, 1098265, 1537571, 2196530, 3075142, 4393060, 6150284, 7687855, 15375710, 30751420]

約数ペア:

[(1, 30751420), (2, 15375710), (4, 7687855), (5, 6150284), (7, 4393060), (10, 3075142), (14, 2196530), (20, 1537571), (28, 1098265), (35, 878612), (49, 627580), (70, 439306), (98, 313790), (140, 219653), (196, 156895), (245, 125516), (490, 62758), (980, 31379)]