28442820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 91719936

約数和(自身を除く): 63277116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 241, 281, 420, 482, 562, 723, 843, 964, 1124, 1205, 1405, 1446, 1686, 1687, 1967, 2410, 2810, 2892, 3372, 3374, 3615, 3934, 4215, 4820, 5061, 5620, 5901, 6748, 7230, 7868, 8430, 8435, 9835, 10122, 11802, 14460, 16860, 16870, 19670, 20244, 23604, 25305, 29505, 33740, 39340, 50610, 59010, 67721, 101220, 118020, 135442, 203163, 270884, 338605, 406326, 474047, 677210, 812652, 948094, 1015815, 1354420, 1422141, 1896188, 2031630, 2370235, 2844282, 4063260, 4740470, 5688564, 7110705, 9480940, 14221410, 28442820]

約数ペア:

[(1, 28442820), (2, 14221410), (3, 9480940), (4, 7110705), (5, 5688564), (6, 4740470), (7, 4063260), (10, 2844282), (12, 2370235), (14, 2031630), (15, 1896188), (20, 1422141), (21, 1354420), (28, 1015815), (30, 948094), (35, 812652), (42, 677210), (60, 474047), (70, 406326), (84, 338605), (105, 270884), (140, 203163), (210, 135442), (241, 118020), (281, 101220), (420, 67721), (482, 59010), (562, 50610), (723, 39340), (843, 33740), (964, 29505), (1124, 25305), (1205, 23604), (1405, 20244), (1446, 19670), (1686, 16870), (1687, 16860), (1967, 14460), (2410, 11802), (2810, 10122), (2892, 9835), (3372, 8435), (3374, 8430), (3615, 7868), (3934, 7230), (4215, 6748), (4820, 5901), (5061, 5620)]