31304813900

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{804751}}^1$

素因数の和:805154

約数の個数: 36

約数和(自身を含む): 68106161760

約数和(自身を除く): 36801347860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1556, 1945, 3890, 7780, 9725, 19450, 38900, 804751, 1609502, 3219004, 4023755, 8047510, 16095020, 20118775, 40237550, 80475100, 313048139, 626096278, 1252192556, 1565240695, 3130481390, 6260962780, 7826203475, 15652406950, 31304813900]

約数ペア:

[(1, 31304813900), (2, 15652406950), (4, 7826203475), (5, 6260962780), (10, 3130481390), (20, 1565240695), (25, 1252192556), (50, 626096278), (100, 313048139), (389, 80475100), (778, 40237550), (1556, 20118775), (1945, 16095020), (3890, 8047510), (7780, 4023755), (9725, 3219004), (19450, 1609502), (38900, 804751)]