239432840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 558696960

約数和(自身を除く): 319264120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 353, 547, 620, 706, 1094, 1240, 1412, 1765, 2188, 2735, 2824, 3530, 4376, 5470, 7060, 10940, 10943, 14120, 16957, 21880, 21886, 33914, 43772, 54715, 67828, 84785, 87544, 109430, 135656, 169570, 193091, 218860, 339140, 386182, 437720, 678280, 772364, 965455, 1544728, 1930910, 3861820, 5985821, 7723640, 11971642, 23943284, 29929105, 47886568, 59858210, 119716420, 239432840]

約数ペア:

[(1, 239432840), (2, 119716420), (4, 59858210), (5, 47886568), (8, 29929105), (10, 23943284), (20, 11971642), (31, 7723640), (40, 5985821), (62, 3861820), (124, 1930910), (155, 1544728), (248, 965455), (310, 772364), (353, 678280), (547, 437720), (620, 386182), (706, 339140), (1094, 218860), (1240, 193091), (1412, 169570), (1765, 135656), (2188, 109430), (2735, 87544), (2824, 84785), (3530, 67828), (4376, 54715), (5470, 43772), (7060, 33914), (10940, 21886), (10943, 21880), (14120, 16957)]