219645920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8123}}^1$

素因数の和:8164

約数の個数: 72

約数和(自身を含む): 561969576

約数和(自身を除く): 342323656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 8123, 13520, 16246, 27040, 32492, 40615, 64984, 81230, 105599, 129968, 162460, 211198, 259936, 324920, 422396, 527995, 649840, 844792, 1055990, 1299680, 1372787, 1689584, 2111980, 2745574, 3379168, 4223960, 5491148, 6863935, 8447920, 10982296, 13727870, 16895840, 21964592, 27455740, 43929184, 54911480, 109822960, 219645920]

約数ペア:

[(1, 219645920), (2, 109822960), (4, 54911480), (5, 43929184), (8, 27455740), (10, 21964592), (13, 16895840), (16, 13727870), (20, 10982296), (26, 8447920), (32, 6863935), (40, 5491148), (52, 4223960), (65, 3379168), (80, 2745574), (104, 2111980), (130, 1689584), (160, 1372787), (169, 1299680), (208, 1055990), (260, 844792), (338, 649840), (416, 527995), (520, 422396), (676, 324920), (845, 259936), (1040, 211198), (1352, 162460), (1690, 129968), (2080, 105599), (2704, 81230), (3380, 64984), (5408, 40615), (6760, 32492), (8123, 27040), (13520, 16246)]