243517400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 672300720

約数和(自身を除く): 428783320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 181, 200, 217, 248, 280, 310, 350, 362, 434, 620, 700, 724, 775, 868, 905, 961, 1085, 1240, 1267, 1400, 1448, 1550, 1736, 1810, 1922, 2170, 2534, 3100, 3620, 3844, 4340, 4525, 4805, 5068, 5425, 5611, 6200, 6335, 6727, 7240, 7688, 8680, 9050, 9610, 10136, 10850, 11222, 12670, 13454, 18100, 19220, 21700, 22444, 24025, 25340, 26908, 28055, 31675, 33635, 36200, 38440, 39277, 43400, 44888, 48050, 50680, 53816, 56110, 63350, 67270, 78554, 96100, 112220, 126700, 134540, 140275, 157108, 168175, 173941, 192200, 196385, 224440, 253400, 269080, 280550, 314216, 336350, 347882, 392770, 561100, 672700, 695764, 785540, 869705, 981925, 1122200, 1217587, 1345400, 1391528, 1571080, 1739410, 1963850, 2435174, 3478820, 3927700, 4348525, 4870348, 6087935, 6957640, 7855400, 8697050, 9740696, 12175870, 17394100, 24351740, 30439675, 34788200, 48703480, 60879350, 121758700, 243517400]

約数ペア:

[(1, 243517400), (2, 121758700), (4, 60879350), (5, 48703480), (7, 34788200), (8, 30439675), (10, 24351740), (14, 17394100), (20, 12175870), (25, 9740696), (28, 8697050), (31, 7855400), (35, 6957640), (40, 6087935), (50, 4870348), (56, 4348525), (62, 3927700), (70, 3478820), (100, 2435174), (124, 1963850), (140, 1739410), (155, 1571080), (175, 1391528), (181, 1345400), (200, 1217587), (217, 1122200), (248, 981925), (280, 869705), (310, 785540), (350, 695764), (362, 672700), (434, 561100), (620, 392770), (700, 347882), (724, 336350), (775, 314216), (868, 280550), (905, 269080), (961, 253400), (1085, 224440), (1240, 196385), (1267, 192200), (1400, 173941), (1448, 168175), (1550, 157108), (1736, 140275), (1810, 134540), (1922, 126700), (2170, 112220), (2534, 96100), (3100, 78554), (3620, 67270), (3844, 63350), (4340, 56110), (4525, 53816), (4805, 50680), (5068, 48050), (5425, 44888), (5611, 43400), (6200, 39277), (6335, 38440), (6727, 36200), (7240, 33635), (7688, 31675), (8680, 28055), (9050, 26908), (9610, 25340), (10136, 24025), (10850, 22444), (11222, 21700), (12670, 19220), (13454, 18100)]