2008903440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{440549}}^1$

素因数の和:440584

約数の個数: 80

約数和(自身を含む): 6555384000

約数和(自身を除く): 4546480560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 440549, 881098, 1321647, 1762196, 2202745, 2643294, 3524392, 4405490, 5286588, 6608235, 7048784, 8370431, 8810980, 10573176, 13216470, 16740862, 17621960, 21146352, 25111293, 26432940, 33481724, 35243920, 41852155, 50222586, 52865880, 66963448, 83704310, 100445172, 105731760, 125556465, 133926896, 167408620, 200890344, 251112930, 334817240, 401780688, 502225860, 669634480, 1004451720, 2008903440]

約数ペア:

[(1, 2008903440), (2, 1004451720), (3, 669634480), (4, 502225860), (5, 401780688), (6, 334817240), (8, 251112930), (10, 200890344), (12, 167408620), (15, 133926896), (16, 125556465), (19, 105731760), (20, 100445172), (24, 83704310), (30, 66963448), (38, 52865880), (40, 50222586), (48, 41852155), (57, 35243920), (60, 33481724), (76, 26432940), (80, 25111293), (95, 21146352), (114, 17621960), (120, 16740862), (152, 13216470), (190, 10573176), (228, 8810980), (240, 8370431), (285, 7048784), (304, 6608235), (380, 5286588), (456, 4405490), (570, 3524392), (760, 2643294), (912, 2202745), (1140, 1762196), (1520, 1321647), (2280, 881098), (4560, 440549)]