128016620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{701}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 281631168

約数和(自身を除く): 153614548

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 397, 460, 701, 794, 1402, 1588, 1985, 2804, 3505, 3970, 7010, 7940, 9131, 14020, 16123, 18262, 32246, 36524, 45655, 64492, 80615, 91310, 161230, 182620, 278297, 322460, 556594, 1113188, 1391485, 2782970, 5565940, 6400831, 12801662, 25603324, 32004155, 64008310, 128016620]

約数ペア:

[(1, 128016620), (2, 64008310), (4, 32004155), (5, 25603324), (10, 12801662), (20, 6400831), (23, 5565940), (46, 2782970), (92, 1391485), (115, 1113188), (230, 556594), (397, 322460), (460, 278297), (701, 182620), (794, 161230), (1402, 91310), (1588, 80615), (1985, 64492), (2804, 45655), (3505, 36524), (3970, 32246), (7010, 18262), (7940, 16123), (9131, 14020)]