980729860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{75557}}^1$

素因数の和:75636

約数の個数: 48

約数和(自身を含む): 2284873920

約数和(自身を除く): 1304144060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 75557, 151114, 302228, 377785, 755570, 831127, 1511140, 1662254, 3324508, 4155635, 4457863, 8311270, 8915726, 16622540, 17831452, 22289315, 44578630, 49036493, 89157260, 98072986, 196145972, 245182465, 490364930, 980729860]

約数ペア:

[(1, 980729860), (2, 490364930), (4, 245182465), (5, 196145972), (10, 98072986), (11, 89157260), (20, 49036493), (22, 44578630), (44, 22289315), (55, 17831452), (59, 16622540), (110, 8915726), (118, 8311270), (220, 4457863), (236, 4155635), (295, 3324508), (590, 1662254), (649, 1511140), (1180, 831127), (1298, 755570), (2596, 377785), (3245, 302228), (6490, 151114), (12980, 75557)]