2706340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 6999552

約数和(自身を除く): 4293212

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, 1487, 1820, 2974, 5948, 7435, 10409, 14870, 19331, 20818, 29740, 38662, 41636, 52045, 77324, 96655, 104090, 135317, 193310, 208180, 270634, 386620, 541268, 676585, 1353170, 2706340]

約数ペア:

[(1, 2706340), (2, 1353170), (4, 676585), (5, 541268), (7, 386620), (10, 270634), (13, 208180), (14, 193310), (20, 135317), (26, 104090), (28, 96655), (35, 77324), (52, 52045), (65, 41636), (70, 38662), (91, 29740), (130, 20818), (140, 19331), (182, 14870), (260, 10409), (364, 7435), (455, 5948), (910, 2974), (1487, 1820)]