72230540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 158602752

約数和(自身を除く): 86372212

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 1787, 2021, 3574, 4042, 7148, 8084, 8935, 10105, 17870, 20210, 35740, 40420, 76841, 83989, 153682, 167978, 307364, 335956, 384205, 419945, 768410, 839890, 1536820, 1679780, 3611527, 7223054, 14446108, 18057635, 36115270, 72230540]

約数ペア:

[(1, 72230540), (2, 36115270), (4, 18057635), (5, 14446108), (10, 7223054), (20, 3611527), (43, 1679780), (47, 1536820), (86, 839890), (94, 768410), (172, 419945), (188, 384205), (215, 335956), (235, 307364), (430, 167978), (470, 153682), (860, 83989), (940, 76841), (1787, 40420), (2021, 35740), (3574, 20210), (4042, 17870), (7148, 10105), (8084, 8935)]