209085280

素因数分解:

$2^5\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2389}}^1$

素因数の和:2951

約数の個数: 48

約数和(自身を含む): 495074160

約数和(自身を除く): 285988880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 547, 1094, 2188, 2389, 2735, 4376, 4778, 5470, 8752, 9556, 10940, 11945, 17504, 19112, 21880, 23890, 38224, 43760, 47780, 76448, 87520, 95560, 191120, 382240, 1306783, 2613566, 5227132, 6533915, 10454264, 13067830, 20908528, 26135660, 41817056, 52271320, 104542640, 209085280]

約数ペア:

[(1, 209085280), (2, 104542640), (4, 52271320), (5, 41817056), (8, 26135660), (10, 20908528), (16, 13067830), (20, 10454264), (32, 6533915), (40, 5227132), (80, 2613566), (160, 1306783), (547, 382240), (1094, 191120), (2188, 95560), (2389, 87520), (2735, 76448), (4376, 47780), (4778, 43760), (5470, 38224), (8752, 23890), (9556, 21880), (10940, 19112), (11945, 17504)]