209974480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{853}}^1$

素因数の和:1064

約数の個数: 80

約数和(自身を含む): 520372944

約数和(自身を除く): 310398464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 272, 340, 362, 680, 724, 853, 905, 1360, 1448, 1706, 1810, 2896, 3077, 3412, 3620, 4265, 6154, 6824, 7240, 8530, 12308, 13648, 14480, 14501, 15385, 17060, 24616, 29002, 30770, 34120, 49232, 58004, 61540, 68240, 72505, 116008, 123080, 145010, 154393, 232016, 246160, 290020, 308786, 580040, 617572, 771965, 1160080, 1235144, 1543930, 2470288, 2624681, 3087860, 5249362, 6175720, 10498724, 12351440, 13123405, 20997448, 26246810, 41994896, 52493620, 104987240, 209974480]

約数ペア:

[(1, 209974480), (2, 104987240), (4, 52493620), (5, 41994896), (8, 26246810), (10, 20997448), (16, 13123405), (17, 12351440), (20, 10498724), (34, 6175720), (40, 5249362), (68, 3087860), (80, 2624681), (85, 2470288), (136, 1543930), (170, 1235144), (181, 1160080), (272, 771965), (340, 617572), (362, 580040), (680, 308786), (724, 290020), (853, 246160), (905, 232016), (1360, 154393), (1448, 145010), (1706, 123080), (1810, 116008), (2896, 72505), (3077, 68240), (3412, 61540), (3620, 58004), (4265, 49232), (6154, 34120), (6824, 30770), (7240, 29002), (8530, 24616), (12308, 17060), (13648, 15385), (14480, 14501)]