197357800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{12491}}^1$

素因数の和:12586

約数の個数: 48

約数和(自身を含む): 464702400

約数和(自身を除く): 267344600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 12491, 15800, 24982, 49964, 62455, 99928, 124910, 249820, 312275, 499640, 624550, 986789, 1249100, 1973578, 2498200, 3947156, 4933945, 7894312, 9867890, 19735780, 24669725, 39471560, 49339450, 98678900, 197357800]

約数ペア:

[(1, 197357800), (2, 98678900), (4, 49339450), (5, 39471560), (8, 24669725), (10, 19735780), (20, 9867890), (25, 7894312), (40, 4933945), (50, 3947156), (79, 2498200), (100, 1973578), (158, 1249100), (200, 986789), (316, 624550), (395, 499640), (632, 312275), (790, 249820), (1580, 124910), (1975, 99928), (3160, 62455), (3950, 49964), (7900, 24982), (12491, 15800)]