172771550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:850

約数の個数: 72

約数和(自身を含む): 378194544

約数和(自身を除く): 205422994

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 97, 98, 175, 194, 245, 350, 485, 490, 679, 727, 970, 1225, 1358, 1454, 2425, 2450, 3395, 3635, 4753, 4850, 5089, 6790, 7270, 9506, 10178, 16975, 18175, 23765, 25445, 33950, 35623, 36350, 47530, 50890, 70519, 71246, 118825, 127225, 141038, 178115, 237650, 254450, 352595, 356230, 493633, 705190, 890575, 987266, 1762975, 1781150, 2468165, 3455431, 3525950, 4936330, 6910862, 12340825, 17277155, 24681650, 34554310, 86385775, 172771550]

約数ペア:

[(1, 172771550), (2, 86385775), (5, 34554310), (7, 24681650), (10, 17277155), (14, 12340825), (25, 6910862), (35, 4936330), (49, 3525950), (50, 3455431), (70, 2468165), (97, 1781150), (98, 1762975), (175, 987266), (194, 890575), (245, 705190), (350, 493633), (485, 356230), (490, 352595), (679, 254450), (727, 237650), (970, 178115), (1225, 141038), (1358, 127225), (1454, 118825), (2425, 71246), (2450, 70519), (3395, 50890), (3635, 47530), (4753, 36350), (4850, 35623), (5089, 33950), (6790, 25445), (7270, 23765), (9506, 18175), (10178, 16975)]