206812840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{859}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 502790400

約数和(自身を除く): 295977560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 463, 520, 859, 926, 1718, 1852, 2315, 3436, 3704, 4295, 4630, 6019, 6872, 8590, 9260, 11167, 12038, 17180, 18520, 22334, 24076, 30095, 34360, 44668, 48152, 55835, 60190, 89336, 111670, 120380, 223340, 240760, 397717, 446680, 795434, 1590868, 1988585, 3181736, 3977170, 5170321, 7954340, 10340642, 15908680, 20681284, 25851605, 41362568, 51703210, 103406420, 206812840]

約数ペア:

[(1, 206812840), (2, 103406420), (4, 51703210), (5, 41362568), (8, 25851605), (10, 20681284), (13, 15908680), (20, 10340642), (26, 7954340), (40, 5170321), (52, 3977170), (65, 3181736), (104, 1988585), (130, 1590868), (260, 795434), (463, 446680), (520, 397717), (859, 240760), (926, 223340), (1718, 120380), (1852, 111670), (2315, 89336), (3436, 60190), (3704, 55835), (4295, 48152), (4630, 44668), (6019, 34360), (6872, 30095), (8590, 24076), (9260, 22334), (11167, 18520), (12038, 17180)]