28876620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 81230688

約数和(自身を除く): 52354068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1446, 1997, 2410, 2892, 3615, 3994, 4820, 5991, 7230, 7988, 9985, 11982, 14460, 19970, 23964, 29955, 39940, 59910, 119820, 481277, 962554, 1443831, 1925108, 2406385, 2887662, 4812770, 5775324, 7219155, 9625540, 14438310, 28876620]

約数ペア:

[(1, 28876620), (2, 14438310), (3, 9625540), (4, 7219155), (5, 5775324), (6, 4812770), (10, 2887662), (12, 2406385), (15, 1925108), (20, 1443831), (30, 962554), (60, 481277), (241, 119820), (482, 59910), (723, 39940), (964, 29955), (1205, 23964), (1446, 19970), (1997, 14460), (2410, 11982), (2892, 9985), (3615, 7988), (3994, 7230), (4820, 5991)]