214937275

素因数分解:

$5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2324

約数の個数: 36

約数和(自身を含む): 314101920

約数和(自身を除く): 99164645

約数列:

[1, 5, 7, 25, 35, 49, 79, 175, 245, 395, 553, 1225, 1975, 2221, 2765, 3871, 11105, 13825, 15547, 19355, 55525, 77735, 96775, 108829, 175459, 388675, 544145, 877295, 1228213, 2720725, 4386475, 6141065, 8597491, 30705325, 42987455, 214937275]

約数ペア:

[(1, 214937275), (5, 42987455), (7, 30705325), (25, 8597491), (35, 6141065), (49, 4386475), (79, 2720725), (175, 1228213), (245, 877295), (395, 544145), (553, 388675), (1225, 175459), (1975, 108829), (2221, 96775), (2765, 77735), (3871, 55525), (11105, 19355), (13825, 15547)]