42791980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 115218432

約数和(自身を除く): 72426452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 751, 770, 814, 1036, 1295, 1502, 1540, 1628, 2035, 2590, 2849, 3004, 3755, 4070, 5180, 5257, 5698, 7510, 8140, 8261, 10514, 11396, 14245, 15020, 16522, 21028, 26285, 27787, 28490, 33044, 41305, 52570, 55574, 56980, 57827, 82610, 105140, 111148, 115654, 138935, 165220, 194509, 231308, 277870, 289135, 305657, 389018, 555740, 578270, 611314, 778036, 972545, 1156540, 1222628, 1528285, 1945090, 2139599, 3056570, 3890180, 4279198, 6113140, 8558396, 10697995, 21395990, 42791980]

約数ペア:

[(1, 42791980), (2, 21395990), (4, 10697995), (5, 8558396), (7, 6113140), (10, 4279198), (11, 3890180), (14, 3056570), (20, 2139599), (22, 1945090), (28, 1528285), (35, 1222628), (37, 1156540), (44, 972545), (55, 778036), (70, 611314), (74, 578270), (77, 555740), (110, 389018), (140, 305657), (148, 289135), (154, 277870), (185, 231308), (220, 194509), (259, 165220), (308, 138935), (370, 115654), (385, 111148), (407, 105140), (518, 82610), (740, 57827), (751, 56980), (770, 55574), (814, 52570), (1036, 41305), (1295, 33044), (1502, 28490), (1540, 27787), (1628, 26285), (2035, 21028), (2590, 16522), (2849, 15020), (3004, 14245), (3755, 11396), (4070, 10514), (5180, 8261), (5257, 8140), (5698, 7510)]