218362400

素因数分解:

$2^5\times 5^2\times {\mathrm{499}}^1\times {\mathrm{547}}^1$

素因数の和:1066

約数の個数: 72

約数和(自身を含む): 535122000

約数和(自身を除く): 316759600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 499, 547, 800, 998, 1094, 1996, 2188, 2495, 2735, 3992, 4376, 4990, 5470, 7984, 8752, 9980, 10940, 12475, 13675, 15968, 17504, 19960, 21880, 24950, 27350, 39920, 43760, 49900, 54700, 79840, 87520, 99800, 109400, 199600, 218800, 272953, 399200, 437600, 545906, 1091812, 1364765, 2183624, 2729530, 4367248, 5459060, 6823825, 8734496, 10918120, 13647650, 21836240, 27295300, 43672480, 54590600, 109181200, 218362400]

約数ペア:

[(1, 218362400), (2, 109181200), (4, 54590600), (5, 43672480), (8, 27295300), (10, 21836240), (16, 13647650), (20, 10918120), (25, 8734496), (32, 6823825), (40, 5459060), (50, 4367248), (80, 2729530), (100, 2183624), (160, 1364765), (200, 1091812), (400, 545906), (499, 437600), (547, 399200), (800, 272953), (998, 218800), (1094, 199600), (1996, 109400), (2188, 99800), (2495, 87520), (2735, 79840), (3992, 54700), (4376, 49900), (4990, 43760), (5470, 39920), (7984, 27350), (8752, 24950), (9980, 21880), (10940, 19960), (12475, 17504), (13675, 15968)]