208029680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1013}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 516020544

約数和(自身を除く): 307990864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 151, 170, 272, 302, 340, 604, 680, 755, 1013, 1208, 1360, 1510, 2026, 2416, 2567, 3020, 4052, 5065, 5134, 6040, 8104, 10130, 10268, 12080, 12835, 16208, 17221, 20260, 20536, 25670, 34442, 40520, 41072, 51340, 68884, 81040, 86105, 102680, 137768, 152963, 172210, 205360, 275536, 305926, 344420, 611852, 688840, 764815, 1223704, 1377680, 1529630, 2447408, 2600371, 3059260, 5200742, 6118520, 10401484, 12237040, 13001855, 20802968, 26003710, 41605936, 52007420, 104014840, 208029680]

約数ペア:

[(1, 208029680), (2, 104014840), (4, 52007420), (5, 41605936), (8, 26003710), (10, 20802968), (16, 13001855), (17, 12237040), (20, 10401484), (34, 6118520), (40, 5200742), (68, 3059260), (80, 2600371), (85, 2447408), (136, 1529630), (151, 1377680), (170, 1223704), (272, 764815), (302, 688840), (340, 611852), (604, 344420), (680, 305926), (755, 275536), (1013, 205360), (1208, 172210), (1360, 152963), (1510, 137768), (2026, 102680), (2416, 86105), (2567, 81040), (3020, 68884), (4052, 51340), (5065, 41072), (5134, 40520), (6040, 34442), (8104, 25670), (10130, 20536), (10268, 20260), (12080, 17221), (12835, 16208)]