247473040

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{17881}}^1$

素因数の和:18067

約数の個数: 40

約数和(自身を含む): 578733048

約数和(自身を除く): 331260008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 17881, 35762, 71524, 89405, 143048, 178810, 286096, 357620, 715240, 1430480, 3093413, 6186826, 12373652, 15467065, 24747304, 30934130, 49494608, 61868260, 123736520, 247473040]

約数ペア:

[(1, 247473040), (2, 123736520), (4, 61868260), (5, 49494608), (8, 30934130), (10, 24747304), (16, 15467065), (20, 12373652), (40, 6186826), (80, 3093413), (173, 1430480), (346, 715240), (692, 357620), (865, 286096), (1384, 178810), (1730, 143048), (2768, 89405), (3460, 71524), (6920, 35762), (13840, 17881)]