201542980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 429315264

約数和(自身を除く): 227772284

約数列:

[1, 2, 4, 5, 10, 20, 163, 211, 293, 326, 422, 586, 652, 815, 844, 1055, 1172, 1465, 1630, 2110, 2930, 3260, 4220, 5860, 34393, 47759, 61823, 68786, 95518, 123646, 137572, 171965, 191036, 238795, 247292, 309115, 343930, 477590, 618230, 687860, 955180, 1236460, 10077149, 20154298, 40308596, 50385745, 100771490, 201542980]

約数ペア:

[(1, 201542980), (2, 100771490), (4, 50385745), (5, 40308596), (10, 20154298), (20, 10077149), (163, 1236460), (211, 955180), (293, 687860), (326, 618230), (422, 477590), (586, 343930), (652, 309115), (815, 247292), (844, 238795), (1055, 191036), (1172, 171965), (1465, 137572), (1630, 123646), (2110, 95518), (2930, 68786), (3260, 61823), (4220, 47759), (5860, 34393)]