1289778820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6217}}^1$

素因数の和:6301

約数の個数: 96

約数和(自身を含む): 3158942976

約数和(自身を除く): 1869164156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 41, 44, 46, 55, 82, 92, 110, 115, 164, 205, 220, 230, 253, 410, 451, 460, 506, 820, 902, 943, 1012, 1265, 1804, 1886, 2255, 2530, 3772, 4510, 4715, 5060, 6217, 9020, 9430, 10373, 12434, 18860, 20746, 24868, 31085, 41492, 51865, 62170, 68387, 103730, 124340, 136774, 142991, 207460, 254897, 273548, 285982, 341935, 509794, 571964, 683870, 714955, 1019588, 1274485, 1367740, 1429910, 1572901, 2548970, 2803867, 2859820, 3145802, 5097940, 5607734, 5862631, 6291604, 7864505, 11215468, 11725262, 14019335, 15729010, 23450524, 28038670, 29313155, 31458020, 56077340, 58626310, 64488941, 117252620, 128977882, 257955764, 322444705, 644889410, 1289778820]

約数ペア:

[(1, 1289778820), (2, 644889410), (4, 322444705), (5, 257955764), (10, 128977882), (11, 117252620), (20, 64488941), (22, 58626310), (23, 56077340), (41, 31458020), (44, 29313155), (46, 28038670), (55, 23450524), (82, 15729010), (92, 14019335), (110, 11725262), (115, 11215468), (164, 7864505), (205, 6291604), (220, 5862631), (230, 5607734), (253, 5097940), (410, 3145802), (451, 2859820), (460, 2803867), (506, 2548970), (820, 1572901), (902, 1429910), (943, 1367740), (1012, 1274485), (1265, 1019588), (1804, 714955), (1886, 683870), (2255, 571964), (2530, 509794), (3772, 341935), (4510, 285982), (4715, 273548), (5060, 254897), (6217, 207460), (9020, 142991), (9430, 136774), (10373, 124340), (12434, 103730), (18860, 68387), (20746, 62170), (24868, 51865), (31085, 41492)]