206956890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{15643}}^1$

素因数の和:15673

約数の個数: 96

約数和(自身を含む): 642029760

約数和(自身を除く): 435072870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6615, 13230, 15643, 31286, 46929, 78215, 93858, 109501, 140787, 156430, 219002, 234645, 281574, 328503, 422361, 469290, 547505, 657006, 703935, 766507, 844722, 985509, 1095010, 1407870, 1533014, 1642515, 1971018, 2111805, 2299521, 2956527, 3285030, 3832535, 4223610, 4599042, 4927545, 5913054, 6898563, 7665070, 9855090, 11497605, 13797126, 14782635, 20695689, 22995210, 29565270, 34492815, 41391378, 68985630, 103478445, 206956890]

約数ペア:

[(1, 206956890), (2, 103478445), (3, 68985630), (5, 41391378), (6, 34492815), (7, 29565270), (9, 22995210), (10, 20695689), (14, 14782635), (15, 13797126), (18, 11497605), (21, 9855090), (27, 7665070), (30, 6898563), (35, 5913054), (42, 4927545), (45, 4599042), (49, 4223610), (54, 3832535), (63, 3285030), (70, 2956527), (90, 2299521), (98, 2111805), (105, 1971018), (126, 1642515), (135, 1533014), (147, 1407870), (189, 1095010), (210, 985509), (245, 844722), (270, 766507), (294, 703935), (315, 657006), (378, 547505), (441, 469290), (490, 422361), (630, 328503), (735, 281574), (882, 234645), (945, 219002), (1323, 156430), (1470, 140787), (1890, 109501), (2205, 93858), (2646, 78215), (4410, 46929), (6615, 31286), (13230, 15643)]