79867900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1699

約数の個数: 72

約数和(自身を含む): 200987136

約数和(自身を除く): 121119236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1607, 1775, 1988, 2485, 3214, 3550, 4970, 6428, 7100, 8035, 9940, 11249, 12425, 16070, 22498, 24850, 32140, 40175, 44996, 49700, 56245, 80350, 112490, 114097, 160700, 224980, 228194, 281225, 456388, 562450, 570485, 798679, 1124900, 1140970, 1597358, 2281940, 2852425, 3194716, 3993395, 5704850, 7986790, 11409700, 15973580, 19966975, 39933950, 79867900]

約数ペア:

[(1, 79867900), (2, 39933950), (4, 19966975), (5, 15973580), (7, 11409700), (10, 7986790), (14, 5704850), (20, 3993395), (25, 3194716), (28, 2852425), (35, 2281940), (50, 1597358), (70, 1140970), (71, 1124900), (100, 798679), (140, 570485), (142, 562450), (175, 456388), (284, 281225), (350, 228194), (355, 224980), (497, 160700), (700, 114097), (710, 112490), (994, 80350), (1420, 56245), (1607, 49700), (1775, 44996), (1988, 40175), (2485, 32140), (3214, 24850), (3550, 22498), (4970, 16070), (6428, 12425), (7100, 11249), (8035, 9940)]