28060340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 79289280

約数和(自身を除く): 51228940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 137, 140, 154, 190, 196, 209, 220, 245, 266, 274, 308, 380, 385, 418, 490, 532, 539, 548, 665, 685, 770, 836, 931, 959, 980, 1045, 1078, 1330, 1370, 1463, 1507, 1540, 1862, 1918, 2090, 2156, 2603, 2660, 2695, 2740, 2926, 3014, 3724, 3836, 4180, 4655, 4795, 5206, 5390, 5852, 6028, 6713, 7315, 7535, 9310, 9590, 10241, 10412, 10549, 10780, 13015, 13426, 14630, 15070, 18221, 18620, 19180, 20482, 21098, 26030, 26852, 28633, 29260, 30140, 33565, 36442, 40964, 42196, 51205, 52060, 52745, 57266, 67130, 72884, 73843, 91105, 102410, 105490, 114532, 127547, 134260, 143165, 147686, 182210, 200431, 204820, 210980, 255094, 286330, 295372, 364420, 369215, 400862, 510188, 572660, 637735, 738430, 801724, 1002155, 1275470, 1403017, 1476860, 2004310, 2550940, 2806034, 4008620, 5612068, 7015085, 14030170, 28060340]

約数ペア:

[(1, 28060340), (2, 14030170), (4, 7015085), (5, 5612068), (7, 4008620), (10, 2806034), (11, 2550940), (14, 2004310), (19, 1476860), (20, 1403017), (22, 1275470), (28, 1002155), (35, 801724), (38, 738430), (44, 637735), (49, 572660), (55, 510188), (70, 400862), (76, 369215), (77, 364420), (95, 295372), (98, 286330), (110, 255094), (133, 210980), (137, 204820), (140, 200431), (154, 182210), (190, 147686), (196, 143165), (209, 134260), (220, 127547), (245, 114532), (266, 105490), (274, 102410), (308, 91105), (380, 73843), (385, 72884), (418, 67130), (490, 57266), (532, 52745), (539, 52060), (548, 51205), (665, 42196), (685, 40964), (770, 36442), (836, 33565), (931, 30140), (959, 29260), (980, 28633), (1045, 26852), (1078, 26030), (1330, 21098), (1370, 20482), (1463, 19180), (1507, 18620), (1540, 18221), (1862, 15070), (1918, 14630), (2090, 13426), (2156, 13015), (2603, 10780), (2660, 10549), (2695, 10412), (2740, 10241), (2926, 9590), (3014, 9310), (3724, 7535), (3836, 7315), (4180, 6713), (4655, 6028), (4795, 5852), (5206, 5390)]