389850076

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2477}}^1$

素因数の和:2579

約数の個数: 72

約数和(自身を含む): 877985136

約数和(自身を除く): 488135060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 146, 154, 196, 292, 308, 511, 539, 803, 1022, 1078, 1606, 2044, 2156, 2477, 3212, 3577, 4954, 5621, 7154, 9908, 11242, 14308, 17339, 22484, 27247, 34678, 39347, 54494, 69356, 78694, 108988, 121373, 157388, 180821, 190729, 242746, 361642, 381458, 485492, 723284, 762916, 1265747, 1335103, 1989031, 2531494, 2670206, 3978062, 5062988, 5340412, 7956124, 8860229, 13923217, 17720458, 27846434, 35440916, 55692868, 97462519, 194925038, 389850076]

約数ペア:

[(1, 389850076), (2, 194925038), (4, 97462519), (7, 55692868), (11, 35440916), (14, 27846434), (22, 17720458), (28, 13923217), (44, 8860229), (49, 7956124), (73, 5340412), (77, 5062988), (98, 3978062), (146, 2670206), (154, 2531494), (196, 1989031), (292, 1335103), (308, 1265747), (511, 762916), (539, 723284), (803, 485492), (1022, 381458), (1078, 361642), (1606, 242746), (2044, 190729), (2156, 180821), (2477, 157388), (3212, 121373), (3577, 108988), (4954, 78694), (5621, 69356), (7154, 54494), (9908, 39347), (11242, 34678), (14308, 27247), (17339, 22484)]