168293600

素因数分解:

$2^5\times 5^2\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1228

約数の個数: 72

約数和(自身を含む): 413207928

約数和(自身を除く): 244914328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 211, 400, 422, 800, 844, 997, 1055, 1688, 1994, 2110, 3376, 3988, 4220, 4985, 5275, 6752, 7976, 8440, 9970, 10550, 15952, 16880, 19940, 21100, 24925, 31904, 33760, 39880, 42200, 49850, 79760, 84400, 99700, 159520, 168800, 199400, 210367, 398800, 420734, 797600, 841468, 1051835, 1682936, 2103670, 3365872, 4207340, 5259175, 6731744, 8414680, 10518350, 16829360, 21036700, 33658720, 42073400, 84146800, 168293600]

約数ペア:

[(1, 168293600), (2, 84146800), (4, 42073400), (5, 33658720), (8, 21036700), (10, 16829360), (16, 10518350), (20, 8414680), (25, 6731744), (32, 5259175), (40, 4207340), (50, 3365872), (80, 2103670), (100, 1682936), (160, 1051835), (200, 841468), (211, 797600), (400, 420734), (422, 398800), (800, 210367), (844, 199400), (997, 168800), (1055, 159520), (1688, 99700), (1994, 84400), (2110, 79760), (3376, 49850), (3988, 42200), (4220, 39880), (4985, 33760), (5275, 31904), (6752, 24925), (7976, 21100), (8440, 19940), (9970, 16880), (10550, 15952)]