840098260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{2003}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 1797155136

約数和(自身を除く): 957056876

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 313, 335, 626, 670, 1252, 1340, 1565, 2003, 3130, 4006, 6260, 8012, 10015, 20030, 20971, 40060, 41942, 83884, 104855, 134201, 209710, 268402, 419420, 536804, 626939, 671005, 1253878, 1342010, 2507756, 2684020, 3134695, 6269390, 12538780, 42004913, 84009826, 168019652, 210024565, 420049130, 840098260]

約数ペア:

[(1, 840098260), (2, 420049130), (4, 210024565), (5, 168019652), (10, 84009826), (20, 42004913), (67, 12538780), (134, 6269390), (268, 3134695), (313, 2684020), (335, 2507756), (626, 1342010), (670, 1253878), (1252, 671005), (1340, 626939), (1565, 536804), (2003, 419420), (3130, 268402), (4006, 209710), (6260, 134201), (8012, 104855), (10015, 83884), (20030, 41942), (20971, 40060)]