138947800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{40867}}^1$

素因数の和:40900

約数の個数: 48

約数和(自身を含む): 342065160

約数和(自身を除く): 203117360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 40867, 81734, 163468, 204335, 326936, 408670, 694739, 817340, 1021675, 1389478, 1634680, 2043350, 2778956, 3473695, 4086700, 5557912, 6947390, 8173400, 13894780, 17368475, 27789560, 34736950, 69473900, 138947800]

約数ペア:

[(1, 138947800), (2, 69473900), (4, 34736950), (5, 27789560), (8, 17368475), (10, 13894780), (17, 8173400), (20, 6947390), (25, 5557912), (34, 4086700), (40, 3473695), (50, 2778956), (68, 2043350), (85, 1634680), (100, 1389478), (136, 1021675), (170, 817340), (200, 694739), (340, 408670), (425, 326936), (680, 204335), (850, 163468), (1700, 81734), (3400, 40867)]