1489752740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{343261}}^1$

素因数の和:343308

約数の個数: 48

約数和(自身を含む): 3690753024

約数和(自身を除く): 2201000284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 343261, 686522, 1373044, 1716305, 2402827, 3432610, 4805654, 6865220, 9611308, 10641091, 12014135, 21282182, 24028270, 42564364, 48056540, 53205455, 74487637, 106410910, 148975274, 212821820, 297950548, 372438185, 744876370, 1489752740]

約数ペア:

[(1, 1489752740), (2, 744876370), (4, 372438185), (5, 297950548), (7, 212821820), (10, 148975274), (14, 106410910), (20, 74487637), (28, 53205455), (31, 48056540), (35, 42564364), (62, 24028270), (70, 21282182), (124, 12014135), (140, 10641091), (155, 9611308), (217, 6865220), (310, 4805654), (434, 3432610), (620, 2402827), (868, 1716305), (1085, 1373044), (2170, 686522), (4340, 343261)]