67820620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6910

約数の個数: 48

約数和(自身を含む): 165086208

約数和(自身を除く): 97265588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6823, 9940, 13646, 27292, 34115, 47761, 68230, 95522, 136460, 191044, 238805, 477610, 484433, 955220, 968866, 1937732, 2422165, 3391031, 4844330, 6782062, 9688660, 13564124, 16955155, 33910310, 67820620]

約数ペア:

[(1, 67820620), (2, 33910310), (4, 16955155), (5, 13564124), (7, 9688660), (10, 6782062), (14, 4844330), (20, 3391031), (28, 2422165), (35, 1937732), (70, 968866), (71, 955220), (140, 484433), (142, 477610), (284, 238805), (355, 191044), (497, 136460), (710, 95522), (994, 68230), (1420, 47761), (1988, 34115), (2485, 27292), (4970, 13646), (6823, 9940)]