209331240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 649797120

約数和(自身を除く): 440465880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 157, 164, 205, 246, 271, 314, 328, 410, 471, 492, 542, 615, 628, 785, 813, 820, 942, 984, 1084, 1230, 1256, 1355, 1570, 1626, 1640, 1884, 2168, 2355, 2460, 2710, 3140, 3252, 3768, 4065, 4710, 4920, 5420, 6280, 6437, 6504, 8130, 9420, 10840, 11111, 12874, 16260, 18840, 19311, 22222, 25748, 32185, 32520, 33333, 38622, 42547, 44444, 51496, 55555, 64370, 66666, 77244, 85094, 88888, 96555, 111110, 127641, 128740, 133332, 154488, 166665, 170188, 193110, 212735, 222220, 255282, 257480, 266664, 333330, 340376, 386220, 425470, 444440, 510564, 638205, 666660, 772440, 850940, 1021128, 1276410, 1333320, 1701880, 1744427, 2552820, 3488854, 5105640, 5233281, 6977708, 8722135, 10466562, 13955416, 17444270, 20933124, 26166405, 34888540, 41866248, 52332810, 69777080, 104665620, 209331240]

約数ペア:

[(1, 209331240), (2, 104665620), (3, 69777080), (4, 52332810), (5, 41866248), (6, 34888540), (8, 26166405), (10, 20933124), (12, 17444270), (15, 13955416), (20, 10466562), (24, 8722135), (30, 6977708), (40, 5233281), (41, 5105640), (60, 3488854), (82, 2552820), (120, 1744427), (123, 1701880), (157, 1333320), (164, 1276410), (205, 1021128), (246, 850940), (271, 772440), (314, 666660), (328, 638205), (410, 510564), (471, 444440), (492, 425470), (542, 386220), (615, 340376), (628, 333330), (785, 266664), (813, 257480), (820, 255282), (942, 222220), (984, 212735), (1084, 193110), (1230, 170188), (1256, 166665), (1355, 154488), (1570, 133332), (1626, 128740), (1640, 127641), (1884, 111110), (2168, 96555), (2355, 88888), (2460, 85094), (2710, 77244), (3140, 66666), (3252, 64370), (3768, 55555), (4065, 51496), (4710, 44444), (4920, 42547), (5420, 38622), (6280, 33333), (6437, 32520), (6504, 32185), (8130, 25748), (9420, 22222), (10840, 19311), (11111, 18840), (12874, 16260)]