28335000

素因数分解:

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

素因数の和:1918

約数の個数: 80

約数和(自身を含む): 88565400

約数和(自身を除く): 60230400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 1889, 2500, 3000, 3750, 3778, 5000, 5667, 7500, 7556, 9445, 11334, 15000, 15112, 18890, 22668, 28335, 37780, 45336, 47225, 56670, 75560, 94450, 113340, 141675, 188900, 226680, 236125, 283350, 377800, 472250, 566700, 708375, 944500, 1133400, 1180625, 1416750, 1889000, 2361250, 2833500, 3541875, 4722500, 5667000, 7083750, 9445000, 14167500, 28335000]

約数ペア:

[(1, 28335000), (2, 14167500), (3, 9445000), (4, 7083750), (5, 5667000), (6, 4722500), (8, 3541875), (10, 2833500), (12, 2361250), (15, 1889000), (20, 1416750), (24, 1180625), (25, 1133400), (30, 944500), (40, 708375), (50, 566700), (60, 472250), (75, 377800), (100, 283350), (120, 236125), (125, 226680), (150, 188900), (200, 141675), (250, 113340), (300, 94450), (375, 75560), (500, 56670), (600, 47225), (625, 45336), (750, 37780), (1000, 28335), (1250, 22668), (1500, 18890), (1875, 15112), (1889, 15000), (2500, 11334), (3000, 9445), (3750, 7556), (3778, 7500), (5000, 5667)]