42908140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 103638528

約数和(自身を除く): 60730388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 67, 71, 82, 110, 134, 142, 164, 205, 220, 268, 284, 335, 355, 410, 451, 670, 710, 737, 781, 820, 902, 1340, 1420, 1474, 1562, 1804, 2255, 2747, 2911, 2948, 3124, 3685, 3905, 4510, 4757, 5494, 5822, 7370, 7810, 9020, 9514, 10988, 11644, 13735, 14555, 14740, 15620, 19028, 23785, 27470, 29110, 30217, 32021, 47570, 52327, 54940, 58220, 60434, 64042, 95140, 104654, 120868, 128084, 151085, 160105, 195037, 209308, 261635, 302170, 320210, 390074, 523270, 604340, 640420, 780148, 975185, 1046540, 1950370, 2145407, 3900740, 4290814, 8581628, 10727035, 21454070, 42908140]

約数ペア:

[(1, 42908140), (2, 21454070), (4, 10727035), (5, 8581628), (10, 4290814), (11, 3900740), (20, 2145407), (22, 1950370), (41, 1046540), (44, 975185), (55, 780148), (67, 640420), (71, 604340), (82, 523270), (110, 390074), (134, 320210), (142, 302170), (164, 261635), (205, 209308), (220, 195037), (268, 160105), (284, 151085), (335, 128084), (355, 120868), (410, 104654), (451, 95140), (670, 64042), (710, 60434), (737, 58220), (781, 54940), (820, 52327), (902, 47570), (1340, 32021), (1420, 30217), (1474, 29110), (1562, 27470), (1804, 23785), (2255, 19028), (2747, 15620), (2911, 14740), (2948, 14555), (3124, 13735), (3685, 11644), (3905, 10988), (4510, 9514), (4757, 9020), (5494, 7810), (5822, 7370)]