788761820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3851}}^1$

素因数の和:3904

約数の個数: 144

約数和(自身を含む): 2213205120

約数和(自身を除く): 1424443300

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, 140, 154, 190, 196, 209, 220, 245, 266, 308, 380, 385, 418, 490, 532, 539, 665, 770, 836, 931, 980, 1045, 1078, 1330, 1463, 1540, 1862, 2090, 2156, 2660, 2695, 2926, 3724, 3851, 4180, 4655, 5390, 5852, 7315, 7702, 9310, 10241, 10780, 14630, 15404, 18620, 19255, 20482, 26957, 29260, 38510, 40964, 42361, 51205, 53914, 73169, 77020, 84722, 102410, 107828, 134785, 146338, 169444, 188699, 204820, 211805, 269570, 292676, 296527, 365845, 377398, 423610, 512183, 539140, 593054, 731690, 754796, 804859, 847220, 943495, 1024366, 1186108, 1463380, 1482635, 1609718, 1886990, 2048732, 2075689, 2560915, 2965270, 3219436, 3585281, 3773980, 4024295, 4151378, 5121830, 5634013, 5930540, 7170562, 8048590, 8302756, 10243660, 10378445, 11268026, 14341124, 16097180, 17926405, 20756890, 22536052, 28170065, 35852810, 39438091, 41513780, 56340130, 71705620, 78876182, 112680260, 157752364, 197190455, 394380910, 788761820]

約数ペア:

[(1, 788761820), (2, 394380910), (4, 197190455), (5, 157752364), (7, 112680260), (10, 78876182), (11, 71705620), (14, 56340130), (19, 41513780), (20, 39438091), (22, 35852810), (28, 28170065), (35, 22536052), (38, 20756890), (44, 17926405), (49, 16097180), (55, 14341124), (70, 11268026), (76, 10378445), (77, 10243660), (95, 8302756), (98, 8048590), (110, 7170562), (133, 5930540), (140, 5634013), (154, 5121830), (190, 4151378), (196, 4024295), (209, 3773980), (220, 3585281), (245, 3219436), (266, 2965270), (308, 2560915), (380, 2075689), (385, 2048732), (418, 1886990), (490, 1609718), (532, 1482635), (539, 1463380), (665, 1186108), (770, 1024366), (836, 943495), (931, 847220), (980, 804859), (1045, 754796), (1078, 731690), (1330, 593054), (1463, 539140), (1540, 512183), (1862, 423610), (2090, 377398), (2156, 365845), (2660, 296527), (2695, 292676), (2926, 269570), (3724, 211805), (3851, 204820), (4180, 188699), (4655, 169444), (5390, 146338), (5852, 134785), (7315, 107828), (7702, 102410), (9310, 84722), (10241, 77020), (10780, 73169), (14630, 53914), (15404, 51205), (18620, 42361), (19255, 40964), (20482, 38510), (26957, 29260)]