17990420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7559}}^1$

素因数の和:7592

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 27732460

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, 7559, 15118, 30236, 37795, 52913, 75590, 105826, 128503, 151180, 211652, 257006, 264565, 514012, 529130, 642515, 899521, 1058260, 1285030, 1799042, 2570060, 3598084, 4497605, 8995210, 17990420]

約数ペア:

[(1, 17990420), (2, 8995210), (4, 4497605), (5, 3598084), (7, 2570060), (10, 1799042), (14, 1285030), (17, 1058260), (20, 899521), (28, 642515), (34, 529130), (35, 514012), (68, 264565), (70, 257006), (85, 211652), (119, 151180), (140, 128503), (170, 105826), (238, 75590), (340, 52913), (476, 37795), (595, 30236), (1190, 15118), (2380, 7559)]