917240

素因数分解:

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

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 2155680

約数和(自身を除く): 1238440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 997, 1994, 3988, 4985, 7976, 9970, 19940, 22931, 39880, 45862, 91724, 114655, 183448, 229310, 458620, 917240]

約数ペア:

[(1, 917240), (2, 458620), (4, 229310), (5, 183448), (8, 114655), (10, 91724), (20, 45862), (23, 39880), (40, 22931), (46, 19940), (92, 9970), (115, 7976), (184, 4985), (230, 3988), (460, 1994), (920, 997)]