20070000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 150

約数和(自身を含む): 70502432

約数和(自身を除く): 50432432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 223, 225, 240, 250, 300, 360, 375, 400, 446, 450, 500, 600, 625, 669, 720, 750, 892, 900, 1000, 1115, 1125, 1200, 1250, 1338, 1500, 1784, 1800, 1875, 2000, 2007, 2230, 2250, 2500, 2676, 3000, 3345, 3568, 3600, 3750, 4014, 4460, 4500, 5000, 5352, 5575, 5625, 6000, 6690, 7500, 8028, 8920, 9000, 10000, 10035, 10704, 11150, 11250, 13380, 15000, 16056, 16725, 17840, 18000, 20070, 22300, 22500, 26760, 27875, 30000, 32112, 33450, 40140, 44600, 45000, 50175, 53520, 55750, 66900, 80280, 83625, 89200, 90000, 100350, 111500, 133800, 139375, 160560, 167250, 200700, 223000, 250875, 267600, 278750, 334500, 401400, 418125, 446000, 501750, 557500, 669000, 802800, 836250, 1003500, 1115000, 1254375, 1338000, 1672500, 2007000, 2230000, 2508750, 3345000, 4014000, 5017500, 6690000, 10035000, 20070000]

約数ペア:

[(1, 20070000), (2, 10035000), (3, 6690000), (4, 5017500), (5, 4014000), (6, 3345000), (8, 2508750), (9, 2230000), (10, 2007000), (12, 1672500), (15, 1338000), (16, 1254375), (18, 1115000), (20, 1003500), (24, 836250), (25, 802800), (30, 669000), (36, 557500), (40, 501750), (45, 446000), (48, 418125), (50, 401400), (60, 334500), (72, 278750), (75, 267600), (80, 250875), (90, 223000), (100, 200700), (120, 167250), (125, 160560), (144, 139375), (150, 133800), (180, 111500), (200, 100350), (223, 90000), (225, 89200), (240, 83625), (250, 80280), (300, 66900), (360, 55750), (375, 53520), (400, 50175), (446, 45000), (450, 44600), (500, 40140), (600, 33450), (625, 32112), (669, 30000), (720, 27875), (750, 26760), (892, 22500), (900, 22300), (1000, 20070), (1115, 18000), (1125, 17840), (1200, 16725), (1250, 16056), (1338, 15000), (1500, 13380), (1784, 11250), (1800, 11150), (1875, 10704), (2000, 10035), (2007, 10000), (2230, 9000), (2250, 8920), (2500, 8028), (2676, 7500), (3000, 6690), (3345, 6000), (3568, 5625), (3600, 5575), (3750, 5352), (4014, 5000), (4460, 4500)]