203065780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{607}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 438197760

約数和(自身を除く): 235131980

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 389, 430, 607, 778, 860, 1214, 1556, 1945, 2428, 3035, 3890, 6070, 7780, 12140, 16727, 26101, 33454, 52202, 66908, 83635, 104404, 130505, 167270, 236123, 261010, 334540, 472246, 522020, 944492, 1180615, 2361230, 4722460, 10153289, 20306578, 40613156, 50766445, 101532890, 203065780]

約数ペア:

[(1, 203065780), (2, 101532890), (4, 50766445), (5, 40613156), (10, 20306578), (20, 10153289), (43, 4722460), (86, 2361230), (172, 1180615), (215, 944492), (389, 522020), (430, 472246), (607, 334540), (778, 261010), (860, 236123), (1214, 167270), (1556, 130505), (1945, 104404), (2428, 83635), (3035, 66908), (3890, 52202), (6070, 33454), (7780, 26101), (12140, 16727)]