197708280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21397}}^1$

素因数の和:21429

約数の個数: 128

約数和(自身を含む): 739514880

約数和(自身を除く): 541806600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 21397, 42794, 64191, 85588, 106985, 128382, 149779, 171176, 213970, 235367, 256764, 299558, 320955, 427940, 449337, 470734, 513528, 599116, 641910, 706101, 748895, 855880, 898674, 941468, 1176835, 1198232, 1283820, 1412202, 1497790, 1647569, 1797348, 1882936, 2246685, 2353670, 2567640, 2824404, 2995580, 3295138, 3530505, 3594696, 4493370, 4707340, 4942707, 5648808, 5991160, 6590276, 7061010, 8237845, 8986740, 9414680, 9885414, 13180552, 14122020, 16475690, 17973480, 19770828, 24713535, 28244040, 32951380, 39541656, 49427070, 65902760, 98854140, 197708280]

約数ペア:

[(1, 197708280), (2, 98854140), (3, 65902760), (4, 49427070), (5, 39541656), (6, 32951380), (7, 28244040), (8, 24713535), (10, 19770828), (11, 17973480), (12, 16475690), (14, 14122020), (15, 13180552), (20, 9885414), (21, 9414680), (22, 8986740), (24, 8237845), (28, 7061010), (30, 6590276), (33, 5991160), (35, 5648808), (40, 4942707), (42, 4707340), (44, 4493370), (55, 3594696), (56, 3530505), (60, 3295138), (66, 2995580), (70, 2824404), (77, 2567640), (84, 2353670), (88, 2246685), (105, 1882936), (110, 1797348), (120, 1647569), (132, 1497790), (140, 1412202), (154, 1283820), (165, 1198232), (168, 1176835), (210, 941468), (220, 898674), (231, 855880), (264, 748895), (280, 706101), (308, 641910), (330, 599116), (385, 513528), (420, 470734), (440, 449337), (462, 427940), (616, 320955), (660, 299558), (770, 256764), (840, 235367), (924, 213970), (1155, 171176), (1320, 149779), (1540, 128382), (1848, 106985), (2310, 85588), (3080, 64191), (4620, 42794), (9240, 21397)]