6990020575

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 9105845760

約数和(自身を除く): 2115825185

約数列:

[1, 5, 25, 37, 59, 185, 263, 295, 487, 925, 1315, 1475, 2183, 2435, 6575, 9731, 10915, 12175, 15517, 18019, 28733, 48655, 54575, 77585, 90095, 128081, 143665, 243275, 387925, 450475, 574129, 640405, 718325, 1063121, 2870645, 3202025, 4738997, 5315605, 7556779, 14353225, 23694985, 26578025, 37783895, 118474925, 188919475, 279600823, 1398004115, 6990020575]

約数ペア:

[(1, 6990020575), (5, 1398004115), (25, 279600823), (37, 188919475), (59, 118474925), (185, 37783895), (263, 26578025), (295, 23694985), (487, 14353225), (925, 7556779), (1315, 5315605), (1475, 4738997), (2183, 3202025), (2435, 2870645), (6575, 1063121), (9731, 718325), (10915, 640405), (12175, 574129), (15517, 450475), (18019, 387925), (28733, 243275), (48655, 143665), (54575, 128081), (77585, 90095)]