280120404

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{23603}}^1$

素因数の和:23676

約数の個数: 48

約数和(自身を含む): 697923072

約数和(自身を除く): 417802668

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1978, 2967, 3956, 5934, 11868, 23603, 47206, 70809, 94412, 141618, 283236, 542869, 1014929, 1085738, 1628607, 2029858, 2171476, 3044787, 3257214, 4059716, 6089574, 6514428, 12179148, 23343367, 46686734, 70030101, 93373468, 140060202, 280120404]

約数ペア:

[(1, 280120404), (2, 140060202), (3, 93373468), (4, 70030101), (6, 46686734), (12, 23343367), (23, 12179148), (43, 6514428), (46, 6089574), (69, 4059716), (86, 3257214), (92, 3044787), (129, 2171476), (138, 2029858), (172, 1628607), (258, 1085738), (276, 1014929), (516, 542869), (989, 283236), (1978, 141618), (2967, 94412), (3956, 70809), (5934, 47206), (11868, 23603)]