8144220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19391}}^1$

素因数の和:19410

約数の個数: 48

約数和(自身を含む): 26062848

約数和(自身を除く): 17918628

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, 19391, 38782, 58173, 77564, 96955, 116346, 135737, 193910, 232692, 271474, 290865, 387820, 407211, 542948, 581730, 678685, 814422, 1163460, 1357370, 1628844, 2036055, 2714740, 4072110, 8144220]

約数ペア:

[(1, 8144220), (2, 4072110), (3, 2714740), (4, 2036055), (5, 1628844), (6, 1357370), (7, 1163460), (10, 814422), (12, 678685), (14, 581730), (15, 542948), (20, 407211), (21, 387820), (28, 290865), (30, 271474), (35, 232692), (42, 193910), (60, 135737), (70, 116346), (84, 96955), (105, 77564), (140, 58173), (210, 38782), (420, 19391)]