154812580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1069}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 351071280

約数和(自身を除く): 196258700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 557, 1069, 1114, 2138, 2228, 2785, 4276, 5345, 5570, 7241, 10690, 11140, 13897, 14482, 21380, 27794, 28964, 36205, 55588, 69485, 72410, 138970, 144820, 277940, 595433, 1190866, 2381732, 2977165, 5954330, 7740629, 11908660, 15481258, 30962516, 38703145, 77406290, 154812580]

約数ペア:

[(1, 154812580), (2, 77406290), (4, 38703145), (5, 30962516), (10, 15481258), (13, 11908660), (20, 7740629), (26, 5954330), (52, 2977165), (65, 2381732), (130, 1190866), (260, 595433), (557, 277940), (1069, 144820), (1114, 138970), (2138, 72410), (2228, 69485), (2785, 55588), (4276, 36205), (5345, 28964), (5570, 27794), (7241, 21380), (10690, 14482), (11140, 13897)]