1931489720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1557653}}^1$

素因数の和:1557695

約数の個数: 32

約数和(自身を含む): 4486043520

約数和(自身を除く): 2554553800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1557653, 3115306, 6230612, 7788265, 12461224, 15576530, 31153060, 48287243, 62306120, 96574486, 193148972, 241436215, 386297944, 482872430, 965744860, 1931489720]

約数ペア:

[(1, 1931489720), (2, 965744860), (4, 482872430), (5, 386297944), (8, 241436215), (10, 193148972), (20, 96574486), (31, 62306120), (40, 48287243), (62, 31153060), (124, 15576530), (155, 12461224), (248, 7788265), (310, 6230612), (620, 3115306), (1240, 1557653)]