78488900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3617}}^1$

素因数の和:3669

約数の個数: 72

約数和(自身を含む): 200987136

約数和(自身を除く): 122498236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 3617, 4340, 5425, 7234, 10850, 14468, 18085, 21700, 25319, 36170, 50638, 72340, 90425, 101276, 112127, 126595, 180850, 224254, 253190, 361700, 448508, 506380, 560635, 632975, 784889, 1121270, 1265950, 1569778, 2242540, 2531900, 2803175, 3139556, 3924445, 5606350, 7848890, 11212700, 15697780, 19622225, 39244450, 78488900]

約数ペア:

[(1, 78488900), (2, 39244450), (4, 19622225), (5, 15697780), (7, 11212700), (10, 7848890), (14, 5606350), (20, 3924445), (25, 3139556), (28, 2803175), (31, 2531900), (35, 2242540), (50, 1569778), (62, 1265950), (70, 1121270), (100, 784889), (124, 632975), (140, 560635), (155, 506380), (175, 448508), (217, 361700), (310, 253190), (350, 224254), (434, 180850), (620, 126595), (700, 112127), (775, 101276), (868, 90425), (1085, 72340), (1550, 50638), (2170, 36170), (3100, 25319), (3617, 21700), (4340, 18085), (5425, 14468), (7234, 10850)]