1285139988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2381}}^1$

素因数の和:2478

約数の個数: 144

約数和(自身を含む): 3745647360

約数和(自身を除く): 2460507372

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 47, 58, 66, 87, 94, 99, 116, 132, 141, 174, 188, 198, 261, 282, 319, 348, 396, 423, 517, 522, 564, 638, 846, 957, 1034, 1044, 1276, 1363, 1551, 1692, 1914, 2068, 2381, 2726, 2871, 3102, 3828, 4089, 4653, 4762, 5452, 5742, 6204, 7143, 8178, 9306, 9524, 11484, 12267, 14286, 14993, 16356, 18612, 21429, 24534, 26191, 28572, 29986, 42858, 44979, 49068, 52382, 59972, 69049, 78573, 85716, 89958, 104764, 111907, 134937, 138098, 157146, 179916, 207147, 223814, 235719, 269874, 276196, 314292, 335721, 414294, 447628, 471438, 539748, 621441, 671442, 759539, 828588, 942876, 1007163, 1230977, 1242882, 1342884, 1519078, 2014326, 2278617, 2461954, 2485764, 3038156, 3245303, 3692931, 4028652, 4557234, 4923908, 6490606, 6835851, 7385862, 9114468, 9735909, 11078793, 12981212, 13671702, 14771724, 19471818, 22157586, 27343404, 29207727, 35698333, 38943636, 44315172, 58415454, 71396666, 107094999, 116830908, 142793332, 214189998, 321284997, 428379996, 642569994, 1285139988]

約数ペア:

[(1, 1285139988), (2, 642569994), (3, 428379996), (4, 321284997), (6, 214189998), (9, 142793332), (11, 116830908), (12, 107094999), (18, 71396666), (22, 58415454), (29, 44315172), (33, 38943636), (36, 35698333), (44, 29207727), (47, 27343404), (58, 22157586), (66, 19471818), (87, 14771724), (94, 13671702), (99, 12981212), (116, 11078793), (132, 9735909), (141, 9114468), (174, 7385862), (188, 6835851), (198, 6490606), (261, 4923908), (282, 4557234), (319, 4028652), (348, 3692931), (396, 3245303), (423, 3038156), (517, 2485764), (522, 2461954), (564, 2278617), (638, 2014326), (846, 1519078), (957, 1342884), (1034, 1242882), (1044, 1230977), (1276, 1007163), (1363, 942876), (1551, 828588), (1692, 759539), (1914, 671442), (2068, 621441), (2381, 539748), (2726, 471438), (2871, 447628), (3102, 414294), (3828, 335721), (4089, 314292), (4653, 276196), (4762, 269874), (5452, 235719), (5742, 223814), (6204, 207147), (7143, 179916), (8178, 157146), (9306, 138098), (9524, 134937), (11484, 111907), (12267, 104764), (14286, 89958), (14993, 85716), (16356, 78573), (18612, 69049), (21429, 59972), (24534, 52382), (26191, 49068), (28572, 44979), (29986, 42858)]