225676280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181997}}^1$

素因数の和:182039

約数の個数: 32

約数和(自身を含む): 524154240

約数和(自身を除く): 298477960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 181997, 363994, 727988, 909985, 1455976, 1819970, 3639940, 5641907, 7279880, 11283814, 22567628, 28209535, 45135256, 56419070, 112838140, 225676280]

約数ペア:

[(1, 225676280), (2, 112838140), (4, 56419070), (5, 45135256), (8, 28209535), (10, 22567628), (20, 11283814), (31, 7279880), (40, 5641907), (62, 3639940), (124, 1819970), (155, 1455976), (248, 909985), (310, 727988), (620, 363994), (1240, 181997)]