1949207970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{7723}}^1$

素因数の和:7959

約数の個数: 64

約数和(自身を含む): 4804945920

約数和(自身を除く): 2855737950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 179, 235, 282, 358, 470, 537, 705, 895, 1074, 1410, 1790, 2685, 5370, 7723, 8413, 15446, 16826, 23169, 25239, 38615, 42065, 46338, 50478, 77230, 84130, 115845, 126195, 231690, 252390, 362981, 725962, 1088943, 1382417, 1814905, 2177886, 2764834, 3629810, 4147251, 5444715, 6912085, 8294502, 10889430, 13824170, 20736255, 41472510, 64973599, 129947198, 194920797, 324867995, 389841594, 649735990, 974603985, 1949207970]

約数ペア:

[(1, 1949207970), (2, 974603985), (3, 649735990), (5, 389841594), (6, 324867995), (10, 194920797), (15, 129947198), (30, 64973599), (47, 41472510), (94, 20736255), (141, 13824170), (179, 10889430), (235, 8294502), (282, 6912085), (358, 5444715), (470, 4147251), (537, 3629810), (705, 2764834), (895, 2177886), (1074, 1814905), (1410, 1382417), (1790, 1088943), (2685, 725962), (5370, 362981), (7723, 252390), (8413, 231690), (15446, 126195), (16826, 115845), (23169, 84130), (25239, 77230), (38615, 50478), (42065, 46338)]