201381880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7121}}^1$

素因数の和:7240

約数の個数: 64

約数和(自身を含む): 523039680

約数和(自身を除く): 321657800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 5656, 7070, 7121, 14140, 14242, 28280, 28484, 35605, 49847, 56968, 71210, 99694, 142420, 199388, 249235, 284840, 398776, 498470, 719221, 996940, 1438442, 1993880, 2876884, 3596105, 5034547, 5753768, 7192210, 10069094, 14384420, 20138188, 25172735, 28768840, 40276376, 50345470, 100690940, 201381880]

約数ペア:

[(1, 201381880), (2, 100690940), (4, 50345470), (5, 40276376), (7, 28768840), (8, 25172735), (10, 20138188), (14, 14384420), (20, 10069094), (28, 7192210), (35, 5753768), (40, 5034547), (56, 3596105), (70, 2876884), (101, 1993880), (140, 1438442), (202, 996940), (280, 719221), (404, 498470), (505, 398776), (707, 284840), (808, 249235), (1010, 199388), (1414, 142420), (2020, 99694), (2828, 71210), (3535, 56968), (4040, 49847), (5656, 35605), (7070, 28484), (7121, 28280), (14140, 14242)]