42502500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{1889}}^1$

素因数の和:1919

約数の個数: 90

約数和(自身を含む): 134324190

約数和(自身を除く): 91821690

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, 625, 750, 900, 1125, 1250, 1500, 1875, 1889, 2250, 2500, 3750, 3778, 4500, 5625, 5667, 7500, 7556, 9445, 11250, 11334, 17001, 18890, 22500, 22668, 28335, 34002, 37780, 47225, 56670, 68004, 85005, 94450, 113340, 141675, 170010, 188900, 236125, 283350, 340020, 425025, 472250, 566700, 708375, 850050, 944500, 1180625, 1416750, 1700100, 2125125, 2361250, 2833500, 3541875, 4250250, 4722500, 7083750, 8500500, 10625625, 14167500, 21251250, 42502500]

約数ペア:

[(1, 42502500), (2, 21251250), (3, 14167500), (4, 10625625), (5, 8500500), (6, 7083750), (9, 4722500), (10, 4250250), (12, 3541875), (15, 2833500), (18, 2361250), (20, 2125125), (25, 1700100), (30, 1416750), (36, 1180625), (45, 944500), (50, 850050), (60, 708375), (75, 566700), (90, 472250), (100, 425025), (125, 340020), (150, 283350), (180, 236125), (225, 188900), (250, 170010), (300, 141675), (375, 113340), (450, 94450), (500, 85005), (625, 68004), (750, 56670), (900, 47225), (1125, 37780), (1250, 34002), (1500, 28335), (1875, 22668), (1889, 22500), (2250, 18890), (2500, 17001), (3750, 11334), (3778, 11250), (4500, 9445), (5625, 7556), (5667, 7500)]