407139040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4721}}^1$

素因数の和:4761

約数の個数: 144

約数和(自身を含む): 1220882544

約数和(自身を除く): 813743504

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 3080, 3920, 4312, 4721, 5390, 6160, 7840, 8624, 9442, 10780, 12320, 17248, 18884, 21560, 23605, 33047, 37768, 43120, 47210, 51931, 66094, 75536, 86240, 94420, 103862, 132188, 151072, 165235, 188840, 207724, 231329, 259655, 264376, 330470, 363517, 377680, 415448, 462658, 519310, 528752, 660940, 727034, 755360, 830896, 925316, 1038620, 1057504, 1156645, 1321880, 1454068, 1661792, 1817585, 1850632, 2077240, 2313290, 2544619, 2643760, 2908136, 3635170, 3701264, 4154480, 4626580, 5089238, 5287520, 5816272, 7270340, 7402528, 8308960, 9253160, 10178476, 11632544, 12723095, 14540680, 18506320, 20356952, 25446190, 29081360, 37012640, 40713904, 50892380, 58162720, 81427808, 101784760, 203569520, 407139040]

約数ペア:

[(1, 407139040), (2, 203569520), (4, 101784760), (5, 81427808), (7, 58162720), (8, 50892380), (10, 40713904), (11, 37012640), (14, 29081360), (16, 25446190), (20, 20356952), (22, 18506320), (28, 14540680), (32, 12723095), (35, 11632544), (40, 10178476), (44, 9253160), (49, 8308960), (55, 7402528), (56, 7270340), (70, 5816272), (77, 5287520), (80, 5089238), (88, 4626580), (98, 4154480), (110, 3701264), (112, 3635170), (140, 2908136), (154, 2643760), (160, 2544619), (176, 2313290), (196, 2077240), (220, 1850632), (224, 1817585), (245, 1661792), (280, 1454068), (308, 1321880), (352, 1156645), (385, 1057504), (392, 1038620), (440, 925316), (490, 830896), (539, 755360), (560, 727034), (616, 660940), (770, 528752), (784, 519310), (880, 462658), (980, 415448), (1078, 377680), (1120, 363517), (1232, 330470), (1540, 264376), (1568, 259655), (1760, 231329), (1960, 207724), (2156, 188840), (2464, 165235), (2695, 151072), (3080, 132188), (3920, 103862), (4312, 94420), (4721, 86240), (5390, 75536), (6160, 66094), (7840, 51931), (8624, 47210), (9442, 43120), (10780, 37768), (12320, 33047), (17248, 23605), (18884, 21560)]