398210820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1931}}^1$

素因数の和:2441

約数の個数: 96

約数和(自身を含む): 1277531136

約数和(自身を除く): 879320316

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, 420, 491, 982, 1473, 1931, 1964, 2455, 2946, 3437, 3862, 4910, 5793, 5892, 6874, 7365, 7724, 9655, 9820, 10311, 11586, 13517, 13748, 14730, 17185, 19310, 20622, 23172, 27034, 28965, 29460, 34370, 38620, 40551, 41244, 51555, 54068, 57930, 67585, 68740, 81102, 103110, 115860, 135170, 162204, 202755, 206220, 270340, 405510, 811020, 948121, 1896242, 2844363, 3792484, 4740605, 5688726, 6636847, 9481210, 11377452, 13273694, 14221815, 18962420, 19910541, 26547388, 28443630, 33184235, 39821082, 56887260, 66368470, 79642164, 99552705, 132736940, 199105410, 398210820]

約数ペア:

[(1, 398210820), (2, 199105410), (3, 132736940), (4, 99552705), (5, 79642164), (6, 66368470), (7, 56887260), (10, 39821082), (12, 33184235), (14, 28443630), (15, 26547388), (20, 19910541), (21, 18962420), (28, 14221815), (30, 13273694), (35, 11377452), (42, 9481210), (60, 6636847), (70, 5688726), (84, 4740605), (105, 3792484), (140, 2844363), (210, 1896242), (420, 948121), (491, 811020), (982, 405510), (1473, 270340), (1931, 206220), (1964, 202755), (2455, 162204), (2946, 135170), (3437, 115860), (3862, 103110), (4910, 81102), (5793, 68740), (5892, 67585), (6874, 57930), (7365, 54068), (7724, 51555), (9655, 41244), (9820, 40551), (10311, 38620), (11586, 34370), (13517, 29460), (13748, 28965), (14730, 27034), (17185, 23172), (19310, 20622)]