68254060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 168001344

約数和(自身を除く): 99747284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 271, 490, 514, 542, 980, 1028, 1084, 1285, 1355, 1799, 1897, 2570, 2710, 3598, 3794, 5140, 5420, 7196, 7588, 8995, 9485, 12593, 13279, 17990, 18970, 25186, 26558, 35980, 37940, 50372, 53116, 62965, 66395, 69647, 125930, 132790, 139294, 251860, 265580, 278588, 348235, 487529, 696470, 975058, 1392940, 1950116, 2437645, 3412703, 4875290, 6825406, 9750580, 13650812, 17063515, 34127030, 68254060]

約数ペア:

[(1, 68254060), (2, 34127030), (4, 17063515), (5, 13650812), (7, 9750580), (10, 6825406), (14, 4875290), (20, 3412703), (28, 2437645), (35, 1950116), (49, 1392940), (70, 975058), (98, 696470), (140, 487529), (196, 348235), (245, 278588), (257, 265580), (271, 251860), (490, 139294), (514, 132790), (542, 125930), (980, 69647), (1028, 66395), (1084, 62965), (1285, 53116), (1355, 50372), (1799, 37940), (1897, 35980), (2570, 26558), (2710, 25186), (3598, 18970), (3794, 17990), (5140, 13279), (5420, 12593), (7196, 9485), (7588, 8995)]