2007678860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{35509}}^1$

素因数の和:35786

約数の個数: 48

約数和(自身を含む): 4617436320

約数和(自身を除く): 2609757460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 2570, 2827, 5140, 5654, 11308, 14135, 28270, 35509, 56540, 71018, 142036, 177545, 355090, 390599, 710180, 781198, 1562396, 1952995, 3905990, 7811980, 9125813, 18251626, 36503252, 45629065, 91258130, 100383943, 182516260, 200767886, 401535772, 501919715, 1003839430, 2007678860]

約数ペア:

[(1, 2007678860), (2, 1003839430), (4, 501919715), (5, 401535772), (10, 200767886), (11, 182516260), (20, 100383943), (22, 91258130), (44, 45629065), (55, 36503252), (110, 18251626), (220, 9125813), (257, 7811980), (514, 3905990), (1028, 1952995), (1285, 1562396), (2570, 781198), (2827, 710180), (5140, 390599), (5654, 355090), (11308, 177545), (14135, 142036), (28270, 71018), (35509, 56540)]