143129320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 334489680

約数和(自身を除く): 191360360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 740, 776, 970, 997, 1480, 1940, 1994, 3589, 3880, 3988, 4985, 7178, 7976, 9970, 14356, 17945, 19940, 28712, 35890, 36889, 39880, 71780, 73778, 96709, 143560, 147556, 184445, 193418, 295112, 368890, 386836, 483545, 737780, 773672, 967090, 1475560, 1934180, 3578233, 3868360, 7156466, 14312932, 17891165, 28625864, 35782330, 71564660, 143129320]

約数ペア:

[(1, 143129320), (2, 71564660), (4, 35782330), (5, 28625864), (8, 17891165), (10, 14312932), (20, 7156466), (37, 3868360), (40, 3578233), (74, 1934180), (97, 1475560), (148, 967090), (185, 773672), (194, 737780), (296, 483545), (370, 386836), (388, 368890), (485, 295112), (740, 193418), (776, 184445), (970, 147556), (997, 143560), (1480, 96709), (1940, 73778), (1994, 71780), (3589, 39880), (3880, 36889), (3988, 35890), (4985, 28712), (7178, 19940), (7976, 17945), (9970, 14356)]