154227500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{1259}}^1$

素因数の和:1297

約数の個数: 90

約数和(自身を含む): 392639940

約数和(自身を除く): 238412440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 875, 980, 1225, 1250, 1259, 1750, 2450, 2500, 2518, 3500, 4375, 4900, 5036, 6125, 6295, 8750, 8813, 12250, 12590, 17500, 17626, 24500, 25180, 30625, 31475, 35252, 44065, 61250, 61691, 62950, 88130, 122500, 123382, 125900, 157375, 176260, 220325, 246764, 308455, 314750, 440650, 616910, 629500, 786875, 881300, 1101625, 1233820, 1542275, 1573750, 2203250, 3084550, 3147500, 4406500, 5508125, 6169100, 7711375, 11016250, 15422750, 22032500, 30845500, 38556875, 77113750, 154227500]

約数ペア:

[(1, 154227500), (2, 77113750), (4, 38556875), (5, 30845500), (7, 22032500), (10, 15422750), (14, 11016250), (20, 7711375), (25, 6169100), (28, 5508125), (35, 4406500), (49, 3147500), (50, 3084550), (70, 2203250), (98, 1573750), (100, 1542275), (125, 1233820), (140, 1101625), (175, 881300), (196, 786875), (245, 629500), (250, 616910), (350, 440650), (490, 314750), (500, 308455), (625, 246764), (700, 220325), (875, 176260), (980, 157375), (1225, 125900), (1250, 123382), (1259, 122500), (1750, 88130), (2450, 62950), (2500, 61691), (2518, 61250), (3500, 44065), (4375, 35252), (4900, 31475), (5036, 30625), (6125, 25180), (6295, 24500), (8750, 17626), (8813, 17500), (12250, 12590)]