287121680

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{10343}}^1$

素因数の和:10703

約数の個数: 40

約数和(自身を含む): 669546432

約数和(自身を除く): 382424752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 3470, 5552, 6940, 10343, 13880, 20686, 27760, 41372, 51715, 82744, 103430, 165488, 206860, 413720, 827440, 3589021, 7178042, 14356084, 17945105, 28712168, 35890210, 57424336, 71780420, 143560840, 287121680]

約数ペア:

[(1, 287121680), (2, 143560840), (4, 71780420), (5, 57424336), (8, 35890210), (10, 28712168), (16, 17945105), (20, 14356084), (40, 7178042), (80, 3589021), (347, 827440), (694, 413720), (1388, 206860), (1735, 165488), (2776, 103430), (3470, 82744), (5552, 51715), (6940, 41372), (10343, 27760), (13880, 20686)]