2018270380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{134731}}^1$

素因数の和:134854

約数の個数: 48

約数和(自身を含む): 4889154816

約数和(自身を除く): 2870884436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 134731, 269462, 538924, 673655, 943117, 1347310, 1886234, 2694620, 3772468, 4715585, 9431170, 14416217, 18862340, 28832434, 57664868, 72081085, 100913519, 144162170, 201827038, 288324340, 403654076, 504567595, 1009135190, 2018270380]

約数ペア:

[(1, 2018270380), (2, 1009135190), (4, 504567595), (5, 403654076), (7, 288324340), (10, 201827038), (14, 144162170), (20, 100913519), (28, 72081085), (35, 57664868), (70, 28832434), (107, 18862340), (140, 14416217), (214, 9431170), (428, 4715585), (535, 3772468), (749, 2694620), (1070, 1886234), (1498, 1347310), (2140, 943117), (2996, 673655), (3745, 538924), (7490, 269462), (14980, 134731)]