207918520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3463}}^1$

素因数の和:3572

約数の個数: 64

約数和(自身を含む): 498816000

約数和(自身を除く): 290897480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 3463, 6004, 6926, 7505, 12008, 13852, 15010, 17315, 27704, 30020, 34630, 60040, 65797, 69260, 131594, 138520, 263188, 273577, 328985, 526376, 547154, 657970, 1094308, 1315940, 1367885, 2188616, 2631880, 2735770, 5197963, 5471540, 10395926, 10943080, 20791852, 25989815, 41583704, 51979630, 103959260, 207918520]

約数ペア:

[(1, 207918520), (2, 103959260), (4, 51979630), (5, 41583704), (8, 25989815), (10, 20791852), (19, 10943080), (20, 10395926), (38, 5471540), (40, 5197963), (76, 2735770), (79, 2631880), (95, 2188616), (152, 1367885), (158, 1315940), (190, 1094308), (316, 657970), (380, 547154), (395, 526376), (632, 328985), (760, 273577), (790, 263188), (1501, 138520), (1580, 131594), (3002, 69260), (3160, 65797), (3463, 60040), (6004, 34630), (6926, 30020), (7505, 27704), (12008, 17315), (13852, 15010)]