28345500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{6299}}^1$

素因数の和:6324

約数の個数: 72

約数和(自身を含む): 89434800

約数和(自身を除く): 61089300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 6299, 12598, 18897, 25196, 31495, 37794, 56691, 62990, 75588, 94485, 113382, 125980, 157475, 188970, 226764, 283455, 314950, 377940, 472425, 566910, 629900, 787375, 944850, 1133820, 1417275, 1574750, 1889700, 2362125, 2834550, 3149500, 4724250, 5669100, 7086375, 9448500, 14172750, 28345500]

約数ペア:

[(1, 28345500), (2, 14172750), (3, 9448500), (4, 7086375), (5, 5669100), (6, 4724250), (9, 3149500), (10, 2834550), (12, 2362125), (15, 1889700), (18, 1574750), (20, 1417275), (25, 1133820), (30, 944850), (36, 787375), (45, 629900), (50, 566910), (60, 472425), (75, 377940), (90, 314950), (100, 283455), (125, 226764), (150, 188970), (180, 157475), (225, 125980), (250, 113382), (300, 94485), (375, 75588), (450, 62990), (500, 56691), (750, 37794), (900, 31495), (1125, 25196), (1500, 18897), (2250, 12598), (4500, 6299)]