68852840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{35129}}^1$

素因数の和:35154

約数の個数: 48

約数和(自身を含む): 180216900

約数和(自身を除く): 111364060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 35129, 70258, 140516, 175645, 245903, 281032, 351290, 491806, 702580, 983612, 1229515, 1405160, 1721321, 1967224, 2459030, 3442642, 4918060, 6885284, 8606605, 9836120, 13770568, 17213210, 34426420, 68852840]

約数ペア:

[(1, 68852840), (2, 34426420), (4, 17213210), (5, 13770568), (7, 9836120), (8, 8606605), (10, 6885284), (14, 4918060), (20, 3442642), (28, 2459030), (35, 1967224), (40, 1721321), (49, 1405160), (56, 1229515), (70, 983612), (98, 702580), (140, 491806), (196, 351290), (245, 281032), (280, 245903), (392, 175645), (490, 140516), (980, 70258), (1960, 35129)]