156936020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 335208720

約数和(自身を除く): 178272700

約数列:

[1, 2, 4, 5, 10, 20, 109, 193, 218, 373, 386, 436, 545, 746, 772, 965, 1090, 1492, 1865, 1930, 2180, 3730, 3860, 7460, 21037, 40657, 42074, 71989, 81314, 84148, 105185, 143978, 162628, 203285, 210370, 287956, 359945, 406570, 420740, 719890, 813140, 1439780, 7846801, 15693602, 31387204, 39234005, 78468010, 156936020]

約数ペア:

[(1, 156936020), (2, 78468010), (4, 39234005), (5, 31387204), (10, 15693602), (20, 7846801), (109, 1439780), (193, 813140), (218, 719890), (373, 420740), (386, 406570), (436, 359945), (545, 287956), (746, 210370), (772, 203285), (965, 162628), (1090, 143978), (1492, 105185), (1865, 84148), (1930, 81314), (2180, 71989), (3730, 42074), (3860, 40657), (7460, 21037)]