27180580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1303}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 65721600

約数和(自身を除く): 38541020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1303, 1490, 2086, 2606, 2980, 4172, 5212, 5215, 6515, 9121, 10430, 13030, 18242, 20860, 26060, 36484, 45605, 91210, 182420, 194147, 388294, 776588, 970735, 1359029, 1941470, 2718058, 3882940, 5436116, 6795145, 13590290, 27180580]

約数ペア:

[(1, 27180580), (2, 13590290), (4, 6795145), (5, 5436116), (7, 3882940), (10, 2718058), (14, 1941470), (20, 1359029), (28, 970735), (35, 776588), (70, 388294), (140, 194147), (149, 182420), (298, 91210), (596, 45605), (745, 36484), (1043, 26060), (1303, 20860), (1490, 18242), (2086, 13030), (2606, 10430), (2980, 9121), (4172, 6515), (5212, 5215)]