291269860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20599}}^1$

素因数の和:20716

約数の個数: 48

約数和(自身を含む): 706003200

約数和(自身を除く): 414733340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 20599, 41198, 82396, 102995, 144193, 205990, 288386, 411980, 576772, 720965, 1441930, 2080499, 2883860, 4160998, 8321996, 10402495, 14563493, 20804990, 29126986, 41609980, 58253972, 72817465, 145634930, 291269860]

約数ペア:

[(1, 291269860), (2, 145634930), (4, 72817465), (5, 58253972), (7, 41609980), (10, 29126986), (14, 20804990), (20, 14563493), (28, 10402495), (35, 8321996), (70, 4160998), (101, 2883860), (140, 2080499), (202, 1441930), (404, 720965), (505, 576772), (707, 411980), (1010, 288386), (1414, 205990), (2020, 144193), (2828, 102995), (3535, 82396), (7070, 41198), (14140, 20599)]