687930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 1724544

約数和(自身を除く): 1036614

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 997, 1994, 2991, 4985, 5982, 9970, 14955, 22931, 29910, 45862, 68793, 114655, 137586, 229310, 343965, 687930]

約数ペア:

[(1, 687930), (2, 343965), (3, 229310), (5, 137586), (6, 114655), (10, 68793), (15, 45862), (23, 29910), (30, 22931), (46, 14955), (69, 9970), (115, 5982), (138, 4985), (230, 2991), (345, 1994), (690, 997)]