2009740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 4681152

約数和(自身を除く): 2671412

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 257, 340, 391, 460, 514, 782, 1028, 1285, 1564, 1955, 2570, 3910, 4369, 5140, 5911, 7820, 8738, 11822, 17476, 21845, 23644, 29555, 43690, 59110, 87380, 100487, 118220, 200974, 401948, 502435, 1004870, 2009740]

約数ペア:

[(1, 2009740), (2, 1004870), (4, 502435), (5, 401948), (10, 200974), (17, 118220), (20, 100487), (23, 87380), (34, 59110), (46, 43690), (68, 29555), (85, 23644), (92, 21845), (115, 17476), (170, 11822), (230, 8738), (257, 7820), (340, 5911), (391, 5140), (460, 4369), (514, 3910), (782, 2570), (1028, 1955), (1285, 1564)]