114514520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1812

約数の個数: 64

約数和(自身を含む): 274428000

約数和(自身を除く): 159913480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1693, 1780, 3382, 3386, 3560, 6764, 6772, 8455, 8465, 13528, 13544, 16910, 16930, 32167, 33820, 33860, 64334, 67640, 67720, 128668, 150677, 160835, 257336, 301354, 321670, 602708, 643340, 753385, 1205416, 1286680, 1506770, 2862863, 3013540, 5725726, 6027080, 11451452, 14314315, 22902904, 28628630, 57257260, 114514520]

約数ペア:

[(1, 114514520), (2, 57257260), (4, 28628630), (5, 22902904), (8, 14314315), (10, 11451452), (19, 6027080), (20, 5725726), (38, 3013540), (40, 2862863), (76, 1506770), (89, 1286680), (95, 1205416), (152, 753385), (178, 643340), (190, 602708), (356, 321670), (380, 301354), (445, 257336), (712, 160835), (760, 150677), (890, 128668), (1691, 67720), (1693, 67640), (1780, 64334), (3382, 33860), (3386, 33820), (3560, 32167), (6764, 16930), (6772, 16910), (8455, 13544), (8465, 13528)]