220376940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{524707}}^1$

素因数の和:524726

約数の個数: 48

約数和(自身を含む): 705207552

約数和(自身を除く): 484830612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 524707, 1049414, 1574121, 2098828, 2623535, 3148242, 3672949, 5247070, 6296484, 7345898, 7870605, 10494140, 11018847, 14691796, 15741210, 18364745, 22037694, 31482420, 36729490, 44075388, 55094235, 73458980, 110188470, 220376940]

約数ペア:

[(1, 220376940), (2, 110188470), (3, 73458980), (4, 55094235), (5, 44075388), (6, 36729490), (7, 31482420), (10, 22037694), (12, 18364745), (14, 15741210), (15, 14691796), (20, 11018847), (21, 10494140), (28, 7870605), (30, 7345898), (35, 6296484), (42, 5247070), (60, 3672949), (70, 3148242), (84, 2623535), (105, 2098828), (140, 1574121), (210, 1049414), (420, 524707)]