514997780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 1198085280

約数和(自身を除く): 683087500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 139, 220, 242, 278, 484, 556, 605, 695, 1210, 1390, 1529, 1531, 2420, 2780, 3058, 3062, 6116, 6124, 7645, 7655, 15290, 15310, 16819, 16841, 30580, 30620, 33638, 33682, 67276, 67364, 84095, 84205, 168190, 168410, 185251, 212809, 336380, 336820, 370502, 425618, 741004, 851236, 926255, 1064045, 1852510, 2128090, 2340899, 3705020, 4256180, 4681798, 9363596, 11704495, 23408990, 25749889, 46817980, 51499778, 102999556, 128749445, 257498890, 514997780]

約数ペア:

[(1, 514997780), (2, 257498890), (4, 128749445), (5, 102999556), (10, 51499778), (11, 46817980), (20, 25749889), (22, 23408990), (44, 11704495), (55, 9363596), (110, 4681798), (121, 4256180), (139, 3705020), (220, 2340899), (242, 2128090), (278, 1852510), (484, 1064045), (556, 926255), (605, 851236), (695, 741004), (1210, 425618), (1390, 370502), (1529, 336820), (1531, 336380), (2420, 212809), (2780, 185251), (3058, 168410), (3062, 168190), (6116, 84205), (6124, 84095), (7645, 67364), (7655, 67276), (15290, 33682), (15310, 33638), (16819, 30620), (16841, 30580)]