648689240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{705097}}^1$

素因数の和:705131

約数の個数: 32

約数和(自身を含む): 1523011680

約数和(自身を除く): 874322440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 705097, 1410194, 2820388, 3525485, 5640776, 7050970, 14101940, 16217231, 28203880, 32434462, 64868924, 81086155, 129737848, 162172310, 324344620, 648689240]

約数ペア:

[(1, 648689240), (2, 324344620), (4, 162172310), (5, 129737848), (8, 81086155), (10, 64868924), (20, 32434462), (23, 28203880), (40, 16217231), (46, 14101940), (92, 7050970), (115, 5640776), (184, 3525485), (230, 2820388), (460, 1410194), (920, 705097)]