709551260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{2903}}^1$

素因数の和:3035

約数の個数: 72

約数和(自身を含む): 1654617888

約数和(自身を除く): 945066628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 1010, 1111, 1210, 2020, 2222, 2420, 2903, 4444, 5555, 5806, 11110, 11612, 12221, 14515, 22220, 24442, 29030, 31933, 48884, 58060, 61105, 63866, 122210, 127732, 159665, 244420, 293203, 319330, 351263, 586406, 638660, 702526, 1172812, 1405052, 1466015, 1756315, 2932030, 3225233, 3512630, 5864060, 6450466, 7025260, 12900932, 16126165, 32252330, 35477563, 64504660, 70955126, 141910252, 177387815, 354775630, 709551260]

約数ペア:

[(1, 709551260), (2, 354775630), (4, 177387815), (5, 141910252), (10, 70955126), (11, 64504660), (20, 35477563), (22, 32252330), (44, 16126165), (55, 12900932), (101, 7025260), (110, 6450466), (121, 5864060), (202, 3512630), (220, 3225233), (242, 2932030), (404, 1756315), (484, 1466015), (505, 1405052), (605, 1172812), (1010, 702526), (1111, 638660), (1210, 586406), (2020, 351263), (2222, 319330), (2420, 293203), (2903, 244420), (4444, 159665), (5555, 127732), (5806, 122210), (11110, 63866), (11612, 61105), (12221, 58060), (14515, 48884), (22220, 31933), (24442, 29030)]