8657740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 23030784

約数和(自身を除く): 14373044

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 71, 91, 130, 134, 140, 142, 182, 260, 268, 284, 335, 355, 364, 455, 469, 497, 670, 710, 871, 910, 923, 938, 994, 1340, 1420, 1742, 1820, 1846, 1876, 1988, 2345, 2485, 3484, 3692, 4355, 4615, 4690, 4757, 4970, 6097, 6461, 8710, 9230, 9380, 9514, 9940, 12194, 12922, 17420, 18460, 19028, 23785, 24388, 25844, 30485, 32305, 33299, 47570, 60970, 61841, 64610, 66598, 95140, 121940, 123682, 129220, 133196, 166495, 247364, 309205, 332990, 432887, 618410, 665980, 865774, 1236820, 1731548, 2164435, 4328870, 8657740]

約数ペア:

[(1, 8657740), (2, 4328870), (4, 2164435), (5, 1731548), (7, 1236820), (10, 865774), (13, 665980), (14, 618410), (20, 432887), (26, 332990), (28, 309205), (35, 247364), (52, 166495), (65, 133196), (67, 129220), (70, 123682), (71, 121940), (91, 95140), (130, 66598), (134, 64610), (140, 61841), (142, 60970), (182, 47570), (260, 33299), (268, 32305), (284, 30485), (335, 25844), (355, 24388), (364, 23785), (455, 19028), (469, 18460), (497, 17420), (670, 12922), (710, 12194), (871, 9940), (910, 9514), (923, 9380), (938, 9230), (994, 8710), (1340, 6461), (1420, 6097), (1742, 4970), (1820, 4757), (1846, 4690), (1876, 4615), (1988, 4355), (2345, 3692), (2485, 3484)]