28403820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157799}}^1$

素因数の和:157814

約数の個数: 36

約数和(自身を含む): 86158800

約数和(自身を除く): 57754980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157799, 315598, 473397, 631196, 788995, 946794, 1420191, 1577990, 1893588, 2366985, 2840382, 3155980, 4733970, 5680764, 7100955, 9467940, 14201910, 28403820]

約数ペア:

[(1, 28403820), (2, 14201910), (3, 9467940), (4, 7100955), (5, 5680764), (6, 4733970), (9, 3155980), (10, 2840382), (12, 2366985), (15, 1893588), (18, 1577990), (20, 1420191), (30, 946794), (36, 788995), (45, 631196), (60, 473397), (90, 315598), (180, 157799)]