28135500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{18757}}^1$

素因数の和:18779

約数の個数: 48

約数和(自身を含む): 81934944

約数和(自身を除く): 53799444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 18757, 37514, 56271, 75028, 93785, 112542, 187570, 225084, 281355, 375140, 468925, 562710, 937850, 1125420, 1406775, 1875700, 2344625, 2813550, 4689250, 5627100, 7033875, 9378500, 14067750, 28135500]

約数ペア:

[(1, 28135500), (2, 14067750), (3, 9378500), (4, 7033875), (5, 5627100), (6, 4689250), (10, 2813550), (12, 2344625), (15, 1875700), (20, 1406775), (25, 1125420), (30, 937850), (50, 562710), (60, 468925), (75, 375140), (100, 281355), (125, 225084), (150, 187570), (250, 112542), (300, 93785), (375, 75028), (500, 56271), (750, 37514), (1500, 18757)]