898881900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{428039}}^1$

素因数の和:428063

約数の個数: 72

約数和(自身を含む): 2972309760

約数和(自身を除く): 2073427860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 428039, 856078, 1284117, 1712156, 2140195, 2568234, 2996273, 4280390, 5136468, 5992546, 6420585, 8560780, 8988819, 10700975, 11985092, 12841170, 14981365, 17977638, 21401950, 25682340, 29962730, 32102925, 35955276, 42803900, 44944095, 59925460, 64205850, 74906825, 89888190, 128411700, 149813650, 179776380, 224720475, 299627300, 449440950, 898881900]

約数ペア:

[(1, 898881900), (2, 449440950), (3, 299627300), (4, 224720475), (5, 179776380), (6, 149813650), (7, 128411700), (10, 89888190), (12, 74906825), (14, 64205850), (15, 59925460), (20, 44944095), (21, 42803900), (25, 35955276), (28, 32102925), (30, 29962730), (35, 25682340), (42, 21401950), (50, 17977638), (60, 14981365), (70, 12841170), (75, 11985092), (84, 10700975), (100, 8988819), (105, 8560780), (140, 6420585), (150, 5992546), (175, 5136468), (210, 4280390), (300, 2996273), (350, 2568234), (420, 2140195), (525, 1712156), (700, 1284117), (1050, 856078), (2100, 428039)]