217901780990

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{557}}^1\times {\mathrm{89113}}^1$

素因数の和:90116

約数の個数: 32

約数和(自身を含む): 393826847040

約数和(自身を除く): 175925066050

約数列:

[1, 2, 5, 10, 439, 557, 878, 1114, 2195, 2785, 4390, 5570, 89113, 178226, 244523, 445565, 489046, 891130, 1222615, 2445230, 39120607, 49635941, 78241214, 99271882, 195603035, 248179705, 391206070, 496359410, 21790178099, 43580356198, 108950890495, 217901780990]

約数ペア:

[(1, 217901780990), (2, 108950890495), (5, 43580356198), (10, 21790178099), (439, 496359410), (557, 391206070), (878, 248179705), (1114, 195603035), (2195, 99271882), (2785, 78241214), (4390, 49635941), (5570, 39120607), (89113, 2445230), (178226, 1222615), (244523, 891130), (445565, 489046)]