100878800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 268188192

約数和(自身を除く): 167309392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 101, 110, 176, 200, 202, 220, 227, 275, 400, 404, 440, 454, 505, 550, 808, 880, 908, 1010, 1100, 1111, 1135, 1616, 1816, 2020, 2200, 2222, 2270, 2497, 2525, 3632, 4040, 4400, 4444, 4540, 4994, 5050, 5555, 5675, 8080, 8888, 9080, 9988, 10100, 11110, 11350, 12485, 17776, 18160, 19976, 20200, 22220, 22700, 22927, 24970, 27775, 39952, 40400, 44440, 45400, 45854, 49940, 55550, 62425, 88880, 90800, 91708, 99880, 111100, 114635, 124850, 183416, 199760, 222200, 229270, 249700, 252197, 366832, 444400, 458540, 499400, 504394, 573175, 917080, 998800, 1008788, 1146350, 1260985, 1834160, 2017576, 2292700, 2521970, 4035152, 4585400, 5043940, 6304925, 9170800, 10087880, 12609850, 20175760, 25219700, 50439400, 100878800]

約数ペア:

[(1, 100878800), (2, 50439400), (4, 25219700), (5, 20175760), (8, 12609850), (10, 10087880), (11, 9170800), (16, 6304925), (20, 5043940), (22, 4585400), (25, 4035152), (40, 2521970), (44, 2292700), (50, 2017576), (55, 1834160), (80, 1260985), (88, 1146350), (100, 1008788), (101, 998800), (110, 917080), (176, 573175), (200, 504394), (202, 499400), (220, 458540), (227, 444400), (275, 366832), (400, 252197), (404, 249700), (440, 229270), (454, 222200), (505, 199760), (550, 183416), (808, 124850), (880, 114635), (908, 111100), (1010, 99880), (1100, 91708), (1111, 90800), (1135, 88880), (1616, 62425), (1816, 55550), (2020, 49940), (2200, 45854), (2222, 45400), (2270, 44440), (2497, 40400), (2525, 39952), (3632, 27775), (4040, 24970), (4400, 22927), (4444, 22700), (4540, 22220), (4994, 20200), (5050, 19976), (5555, 18160), (5675, 17776), (8080, 12485), (8888, 11350), (9080, 11110), (9988, 10100)]