2240420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 5795328

約数和(自身を除く): 3554908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1231, 1820, 2462, 4924, 6155, 8617, 12310, 16003, 17234, 24620, 32006, 34468, 43085, 64012, 80015, 86170, 112021, 160030, 172340, 224042, 320060, 448084, 560105, 1120210, 2240420]

約数ペア:

[(1, 2240420), (2, 1120210), (4, 560105), (5, 448084), (7, 320060), (10, 224042), (13, 172340), (14, 160030), (20, 112021), (26, 86170), (28, 80015), (35, 64012), (52, 43085), (65, 34468), (70, 32006), (91, 24620), (130, 17234), (140, 16003), (182, 12310), (260, 8617), (364, 6155), (455, 4924), (910, 2462), (1231, 1820)]