28892220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68791}}^1$

素因数の和:68810

約数の個数: 48

約数和(自身を含む): 92456448

約数和(自身を除く): 63564228

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, 68791, 137582, 206373, 275164, 343955, 412746, 481537, 687910, 825492, 963074, 1031865, 1375820, 1444611, 1926148, 2063730, 2407685, 2889222, 4127460, 4815370, 5778444, 7223055, 9630740, 14446110, 28892220]

約数ペア:

[(1, 28892220), (2, 14446110), (3, 9630740), (4, 7223055), (5, 5778444), (6, 4815370), (7, 4127460), (10, 2889222), (12, 2407685), (14, 2063730), (15, 1926148), (20, 1444611), (21, 1375820), (28, 1031865), (30, 963074), (35, 825492), (42, 687910), (60, 481537), (70, 412746), (84, 343955), (105, 275164), (140, 206373), (210, 137582), (420, 68791)]