208062575

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 324166752

約数和(自身を除く): 116104177

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 97, 103, 119, 175, 245, 425, 485, 515, 595, 679, 721, 833, 1225, 1649, 1751, 2425, 2575, 2975, 3395, 3605, 4165, 4753, 5047, 8245, 8755, 9991, 11543, 12257, 16975, 18025, 20825, 23765, 25235, 41225, 43775, 49955, 57715, 61285, 69937, 80801, 85799, 118825, 126175, 169847, 249775, 288575, 306425, 349685, 404005, 428995, 489559, 849235, 1188929, 1748425, 2020025, 2144975, 2447795, 4246175, 5944645, 8322503, 12238975, 29723225, 41612515, 208062575]

約数ペア:

[(1, 208062575), (5, 41612515), (7, 29723225), (17, 12238975), (25, 8322503), (35, 5944645), (49, 4246175), (85, 2447795), (97, 2144975), (103, 2020025), (119, 1748425), (175, 1188929), (245, 849235), (425, 489559), (485, 428995), (515, 404005), (595, 349685), (679, 306425), (721, 288575), (833, 249775), (1225, 169847), (1649, 126175), (1751, 118825), (2425, 85799), (2575, 80801), (2975, 69937), (3395, 61285), (3605, 57715), (4165, 49955), (4753, 43775), (5047, 41225), (8245, 25235), (8755, 23765), (9991, 20825), (11543, 18025), (12257, 16975)]