7784980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3271}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 19789056

約数和(自身を除く): 12004076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 3271, 6542, 13084, 16355, 22897, 32710, 45794, 55607, 65420, 91588, 111214, 114485, 222428, 228970, 278035, 389249, 457940, 556070, 778498, 1112140, 1556996, 1946245, 3892490, 7784980]

約数ペア:

[(1, 7784980), (2, 3892490), (4, 1946245), (5, 1556996), (7, 1112140), (10, 778498), (14, 556070), (17, 457940), (20, 389249), (28, 278035), (34, 228970), (35, 222428), (68, 114485), (70, 111214), (85, 91588), (119, 65420), (140, 55607), (170, 45794), (238, 32710), (340, 22897), (476, 16355), (595, 13084), (1190, 6542), (2380, 3271)]