1004037980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{64279}}^1$

素因数の和:64370

約数の個数: 48

約数和(自身を含む): 2332592640

約数和(自身を除く): 1328554660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 64279, 128558, 257116, 321395, 642790, 707069, 1285580, 1414138, 2828276, 3535345, 4563809, 7070690, 9127618, 14141380, 18255236, 22819045, 45638090, 50201899, 91276180, 100403798, 200807596, 251009495, 502018990, 1004037980]

約数ペア:

[(1, 1004037980), (2, 502018990), (4, 251009495), (5, 200807596), (10, 100403798), (11, 91276180), (20, 50201899), (22, 45638090), (44, 22819045), (55, 18255236), (71, 14141380), (110, 9127618), (142, 7070690), (220, 4563809), (284, 3535345), (355, 2828276), (710, 1414138), (781, 1285580), (1420, 707069), (1562, 642790), (3124, 321395), (3905, 257116), (7810, 128558), (15620, 64279)]