219982240

素因数分解:

$2^5\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1747}}^1$

素因数の和:2549

約数の個数: 48

約数和(自身を含む): 520666272

約数和(自身を除く): 300684032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 787, 1574, 1747, 3148, 3494, 3935, 6296, 6988, 7870, 8735, 12592, 13976, 15740, 17470, 25184, 27952, 31480, 34940, 55904, 62960, 69880, 125920, 139760, 279520, 1374889, 2749778, 5499556, 6874445, 10999112, 13748890, 21998224, 27497780, 43996448, 54995560, 109991120, 219982240]

約数ペア:

[(1, 219982240), (2, 109991120), (4, 54995560), (5, 43996448), (8, 27497780), (10, 21998224), (16, 13748890), (20, 10999112), (32, 6874445), (40, 5499556), (80, 2749778), (160, 1374889), (787, 279520), (1574, 139760), (1747, 125920), (3148, 69880), (3494, 62960), (3935, 55904), (6296, 34940), (6988, 31480), (7870, 27952), (8735, 25184), (12592, 17470), (13976, 15740)]