343924140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{116981}}^1$

素因数の和:117007

約数の個数: 72

約数和(自身を含む): 1120219632

約数和(自身を除く): 776295492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 116981, 233962, 350943, 467924, 584905, 701886, 818867, 1169810, 1403772, 1637734, 1754715, 2339620, 2456601, 3275468, 3509430, 4094335, 4913202, 5732069, 7018860, 8188670, 9826404, 11464138, 12283005, 16377340, 17196207, 22928276, 24566010, 28660345, 34392414, 49132020, 57320690, 68784828, 85981035, 114641380, 171962070, 343924140]

約数ペア:

[(1, 343924140), (2, 171962070), (3, 114641380), (4, 85981035), (5, 68784828), (6, 57320690), (7, 49132020), (10, 34392414), (12, 28660345), (14, 24566010), (15, 22928276), (20, 17196207), (21, 16377340), (28, 12283005), (30, 11464138), (35, 9826404), (42, 8188670), (49, 7018860), (60, 5732069), (70, 4913202), (84, 4094335), (98, 3509430), (105, 3275468), (140, 2456601), (147, 2339620), (196, 1754715), (210, 1637734), (245, 1403772), (294, 1169810), (420, 818867), (490, 701886), (588, 584905), (735, 467924), (980, 350943), (1470, 233962), (2940, 116981)]