290450764588

素因数分解:

$2^2\times {\mathrm{211}}^1\times {\mathrm{1229}}^1\times {\mathrm{280013}}^1$

素因数の和:281457

約数の個数: 24

約数和(自身を含む): 511115154480

約数和(自身を除く): 220664389892

約数列:

[1, 2, 4, 211, 422, 844, 1229, 2458, 4916, 259319, 280013, 518638, 560026, 1037276, 1120052, 59082743, 118165486, 236330972, 344135977, 688271954, 1376543908, 72612691147, 145225382294, 290450764588]

約数ペア:

[(1, 290450764588), (2, 145225382294), (4, 72612691147), (211, 1376543908), (422, 688271954), (844, 344135977), (1229, 236330972), (2458, 118165486), (4916, 59082743), (259319, 1120052), (280013, 1037276), (518638, 560026)]