17796940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5527}}^1$

素因数の和:5566

約数の個数: 48

約数和(自身を含む): 44577792

約数和(自身を除く): 26780852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5527, 11054, 22108, 27635, 38689, 55270, 77378, 110540, 127121, 154756, 193445, 254242, 386890, 508484, 635605, 773780, 889847, 1271210, 1779694, 2542420, 3559388, 4449235, 8898470, 17796940]

約数ペア:

[(1, 17796940), (2, 8898470), (4, 4449235), (5, 3559388), (7, 2542420), (10, 1779694), (14, 1271210), (20, 889847), (23, 773780), (28, 635605), (35, 508484), (46, 386890), (70, 254242), (92, 193445), (115, 154756), (140, 127121), (161, 110540), (230, 77378), (322, 55270), (460, 38689), (644, 27635), (805, 22108), (1610, 11054), (3220, 5527)]