6118780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 13547520

約数和(自身を除く): 7428740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 139, 142, 155, 278, 284, 310, 355, 556, 620, 695, 710, 1390, 1420, 2201, 2780, 4309, 4402, 8618, 8804, 9869, 11005, 17236, 19738, 21545, 22010, 39476, 43090, 44020, 49345, 86180, 98690, 197380, 305939, 611878, 1223756, 1529695, 3059390, 6118780]

約数ペア:

[(1, 6118780), (2, 3059390), (4, 1529695), (5, 1223756), (10, 611878), (20, 305939), (31, 197380), (62, 98690), (71, 86180), (124, 49345), (139, 44020), (142, 43090), (155, 39476), (278, 22010), (284, 21545), (310, 19738), (355, 17236), (556, 11005), (620, 9869), (695, 8804), (710, 8618), (1390, 4402), (1420, 4309), (2201, 2780)]