211318460

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 450455040

約数和(自身を除く): 239136580

約数列:

[1, 2, 4, 5, 10, 20, 151, 167, 302, 334, 419, 604, 668, 755, 835, 838, 1510, 1670, 1676, 2095, 3020, 3340, 4190, 8380, 25217, 50434, 63269, 69973, 100868, 126085, 126538, 139946, 252170, 253076, 279892, 316345, 349865, 504340, 632690, 699730, 1265380, 1399460, 10565923, 21131846, 42263692, 52829615, 105659230, 211318460]

約数ペア:

[(1, 211318460), (2, 105659230), (4, 52829615), (5, 42263692), (10, 21131846), (20, 10565923), (151, 1399460), (167, 1265380), (302, 699730), (334, 632690), (419, 504340), (604, 349865), (668, 316345), (755, 279892), (835, 253076), (838, 252170), (1510, 139946), (1670, 126538), (1676, 126085), (2095, 100868), (3020, 69973), (3340, 63269), (4190, 50434), (8380, 25217)]