254864870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 510935040

約数和(自身を除く): 256070170

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 127, 130, 215, 254, 359, 430, 559, 635, 718, 1118, 1270, 1651, 1795, 2795, 3302, 3590, 4667, 5461, 5590, 8255, 9334, 10922, 15437, 16510, 23335, 27305, 30874, 45593, 46670, 54610, 70993, 77185, 91186, 141986, 154370, 200681, 227965, 354965, 401362, 455930, 592709, 709930, 1003405, 1185418, 1960499, 2006810, 2963545, 3920998, 5927090, 9802495, 19604990, 25486487, 50972974, 127432435, 254864870]

約数ペア:

[(1, 254864870), (2, 127432435), (5, 50972974), (10, 25486487), (13, 19604990), (26, 9802495), (43, 5927090), (65, 3920998), (86, 2963545), (127, 2006810), (130, 1960499), (215, 1185418), (254, 1003405), (359, 709930), (430, 592709), (559, 455930), (635, 401362), (718, 354965), (1118, 227965), (1270, 200681), (1651, 154370), (1795, 141986), (2795, 91186), (3302, 77185), (3590, 70993), (4667, 54610), (5461, 46670), (5590, 45593), (8255, 30874), (9334, 27305), (10922, 23335), (15437, 16510)]