1950000

素因数分解:

$2^4\times 3^1\times 5^5\times {\mathrm{13}}^1$

素因数の和:49

約数の個数: 120

約数和(自身を含む): 6780816

約数和(自身を除く): 4830816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 125, 130, 150, 156, 195, 200, 208, 240, 250, 260, 300, 312, 325, 375, 390, 400, 500, 520, 600, 624, 625, 650, 750, 780, 975, 1000, 1040, 1200, 1250, 1300, 1500, 1560, 1625, 1875, 1950, 2000, 2500, 2600, 3000, 3120, 3125, 3250, 3750, 3900, 4875, 5000, 5200, 6000, 6250, 6500, 7500, 7800, 8125, 9375, 9750, 10000, 12500, 13000, 15000, 15600, 16250, 18750, 19500, 24375, 25000, 26000, 30000, 32500, 37500, 39000, 40625, 48750, 50000, 65000, 75000, 78000, 81250, 97500, 121875, 130000, 150000, 162500, 195000, 243750, 325000, 390000, 487500, 650000, 975000, 1950000]

約数ペア:

[(1, 1950000), (2, 975000), (3, 650000), (4, 487500), (5, 390000), (6, 325000), (8, 243750), (10, 195000), (12, 162500), (13, 150000), (15, 130000), (16, 121875), (20, 97500), (24, 81250), (25, 78000), (26, 75000), (30, 65000), (39, 50000), (40, 48750), (48, 40625), (50, 39000), (52, 37500), (60, 32500), (65, 30000), (75, 26000), (78, 25000), (80, 24375), (100, 19500), (104, 18750), (120, 16250), (125, 15600), (130, 15000), (150, 13000), (156, 12500), (195, 10000), (200, 9750), (208, 9375), (240, 8125), (250, 7800), (260, 7500), (300, 6500), (312, 6250), (325, 6000), (375, 5200), (390, 5000), (400, 4875), (500, 3900), (520, 3750), (600, 3250), (624, 3125), (625, 3120), (650, 3000), (750, 2600), (780, 2500), (975, 2000), (1000, 1950), (1040, 1875), (1200, 1625), (1250, 1560), (1300, 1500)]