28428900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 82848864

約数和(自身を除く): 54419964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 193, 300, 386, 491, 579, 772, 965, 982, 1158, 1473, 1930, 1964, 2316, 2455, 2895, 2946, 3860, 4825, 4910, 5790, 5892, 7365, 9650, 9820, 11580, 12275, 14475, 14730, 19300, 24550, 28950, 29460, 36825, 49100, 57900, 73650, 94763, 147300, 189526, 284289, 379052, 473815, 568578, 947630, 1137156, 1421445, 1895260, 2369075, 2842890, 4738150, 5685780, 7107225, 9476300, 14214450, 28428900]

約数ペア:

[(1, 28428900), (2, 14214450), (3, 9476300), (4, 7107225), (5, 5685780), (6, 4738150), (10, 2842890), (12, 2369075), (15, 1895260), (20, 1421445), (25, 1137156), (30, 947630), (50, 568578), (60, 473815), (75, 379052), (100, 284289), (150, 189526), (193, 147300), (300, 94763), (386, 73650), (491, 57900), (579, 49100), (772, 36825), (965, 29460), (982, 28950), (1158, 24550), (1473, 19300), (1930, 14730), (1964, 14475), (2316, 12275), (2455, 11580), (2895, 9820), (2946, 9650), (3860, 7365), (4825, 5892), (4910, 5790)]