154535000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 80

約数和(自身を含む): 374130240

約数和(自身を除く): 219595240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 625, 775, 997, 1000, 1240, 1250, 1550, 1994, 2500, 3100, 3875, 3988, 4985, 5000, 6200, 7750, 7976, 9970, 15500, 19375, 19940, 24925, 30907, 31000, 38750, 39880, 49850, 61814, 77500, 99700, 123628, 124625, 154535, 155000, 199400, 247256, 249250, 309070, 498500, 618140, 623125, 772675, 997000, 1236280, 1246250, 1545350, 2492500, 3090700, 3863375, 4985000, 6181400, 7726750, 15453500, 19316875, 30907000, 38633750, 77267500, 154535000]

約数ペア:

[(1, 154535000), (2, 77267500), (4, 38633750), (5, 30907000), (8, 19316875), (10, 15453500), (20, 7726750), (25, 6181400), (31, 4985000), (40, 3863375), (50, 3090700), (62, 2492500), (100, 1545350), (124, 1246250), (125, 1236280), (155, 997000), (200, 772675), (248, 623125), (250, 618140), (310, 498500), (500, 309070), (620, 249250), (625, 247256), (775, 199400), (997, 155000), (1000, 154535), (1240, 124625), (1250, 123628), (1550, 99700), (1994, 77500), (2500, 61814), (3100, 49850), (3875, 39880), (3988, 38750), (4985, 31000), (5000, 30907), (6200, 24925), (7750, 19940), (7976, 19375), (9970, 15500)]