31096940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1471}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 75177984

約数和(自身を除く): 44081044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1471, 1510, 2114, 2942, 3020, 4228, 5285, 5884, 7355, 10297, 10570, 14710, 20594, 21140, 29420, 41188, 51485, 102970, 205940, 222121, 444242, 888484, 1110605, 1554847, 2221210, 3109694, 4442420, 6219388, 7774235, 15548470, 31096940]

約数ペア:

[(1, 31096940), (2, 15548470), (4, 7774235), (5, 6219388), (7, 4442420), (10, 3109694), (14, 2221210), (20, 1554847), (28, 1110605), (35, 888484), (70, 444242), (140, 222121), (151, 205940), (302, 102970), (604, 51485), (755, 41188), (1057, 29420), (1471, 21140), (1510, 20594), (2114, 14710), (2942, 10570), (3020, 10297), (4228, 7355), (5285, 5884)]