389461200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1173

約数の個数: 120

約数和(自身を含む): 1252006176

約数和(自身を除く): 862544976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 491, 600, 661, 982, 1200, 1322, 1473, 1964, 1983, 2455, 2644, 2946, 3305, 3928, 3966, 4910, 5288, 5892, 6610, 7365, 7856, 7932, 9820, 9915, 10576, 11784, 12275, 13220, 14730, 15864, 16525, 19640, 19830, 23568, 24550, 26440, 29460, 31728, 33050, 36825, 39280, 39660, 49100, 49575, 52880, 58920, 66100, 73650, 79320, 98200, 99150, 117840, 132200, 147300, 158640, 196400, 198300, 264400, 294600, 324551, 396600, 589200, 649102, 793200, 973653, 1298204, 1622755, 1947306, 2596408, 3245510, 3894612, 4868265, 5192816, 6491020, 7789224, 8113775, 9736530, 12982040, 15578448, 16227550, 19473060, 24341325, 25964080, 32455100, 38946120, 48682650, 64910200, 77892240, 97365300, 129820400, 194730600, 389461200]

約数ペア:

[(1, 389461200), (2, 194730600), (3, 129820400), (4, 97365300), (5, 77892240), (6, 64910200), (8, 48682650), (10, 38946120), (12, 32455100), (15, 25964080), (16, 24341325), (20, 19473060), (24, 16227550), (25, 15578448), (30, 12982040), (40, 9736530), (48, 8113775), (50, 7789224), (60, 6491020), (75, 5192816), (80, 4868265), (100, 3894612), (120, 3245510), (150, 2596408), (200, 1947306), (240, 1622755), (300, 1298204), (400, 973653), (491, 793200), (600, 649102), (661, 589200), (982, 396600), (1200, 324551), (1322, 294600), (1473, 264400), (1964, 198300), (1983, 196400), (2455, 158640), (2644, 147300), (2946, 132200), (3305, 117840), (3928, 99150), (3966, 98200), (4910, 79320), (5288, 73650), (5892, 66100), (6610, 58920), (7365, 52880), (7856, 49575), (7932, 49100), (9820, 39660), (9915, 39280), (10576, 36825), (11784, 33050), (12275, 31728), (13220, 29460), (14730, 26440), (15864, 24550), (16525, 23568), (19640, 19830)]