3888500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 10692864

約数和(自身を除く): 6804364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 101, 110, 125, 140, 154, 175, 202, 220, 250, 275, 308, 350, 385, 404, 500, 505, 550, 700, 707, 770, 875, 1010, 1100, 1111, 1375, 1414, 1540, 1750, 1925, 2020, 2222, 2525, 2750, 2828, 3500, 3535, 3850, 4444, 5050, 5500, 5555, 7070, 7700, 7777, 9625, 10100, 11110, 12625, 14140, 15554, 17675, 19250, 22220, 25250, 27775, 31108, 35350, 38500, 38885, 50500, 55550, 70700, 77770, 88375, 111100, 138875, 155540, 176750, 194425, 277750, 353500, 388850, 555500, 777700, 972125, 1944250, 3888500]

約数ペア:

[(1, 3888500), (2, 1944250), (4, 972125), (5, 777700), (7, 555500), (10, 388850), (11, 353500), (14, 277750), (20, 194425), (22, 176750), (25, 155540), (28, 138875), (35, 111100), (44, 88375), (50, 77770), (55, 70700), (70, 55550), (77, 50500), (100, 38885), (101, 38500), (110, 35350), (125, 31108), (140, 27775), (154, 25250), (175, 22220), (202, 19250), (220, 17675), (250, 15554), (275, 14140), (308, 12625), (350, 11110), (385, 10100), (404, 9625), (500, 7777), (505, 7700), (550, 7070), (700, 5555), (707, 5500), (770, 5050), (875, 4444), (1010, 3850), (1100, 3535), (1111, 3500), (1375, 2828), (1414, 2750), (1540, 2525), (1750, 2222), (1925, 2020)]