209550500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 491793120

約数和(自身を除く): 282242620

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 125, 170, 178, 250, 277, 340, 356, 425, 445, 500, 554, 850, 890, 1108, 1385, 1513, 1700, 1780, 2125, 2225, 2770, 3026, 4250, 4450, 4709, 5540, 6052, 6925, 7565, 8500, 8900, 9418, 11125, 13850, 15130, 18836, 22250, 23545, 24653, 27700, 30260, 34625, 37825, 44500, 47090, 49306, 69250, 75650, 94180, 98612, 117725, 123265, 138500, 151300, 189125, 235450, 246530, 378250, 419101, 470900, 493060, 588625, 616325, 756500, 838202, 1177250, 1232650, 1676404, 2095505, 2354500, 2465300, 3081625, 4191010, 6163250, 8382020, 10477525, 12326500, 20955050, 41910100, 52387625, 104775250, 209550500]

約数ペア:

[(1, 209550500), (2, 104775250), (4, 52387625), (5, 41910100), (10, 20955050), (17, 12326500), (20, 10477525), (25, 8382020), (34, 6163250), (50, 4191010), (68, 3081625), (85, 2465300), (89, 2354500), (100, 2095505), (125, 1676404), (170, 1232650), (178, 1177250), (250, 838202), (277, 756500), (340, 616325), (356, 588625), (425, 493060), (445, 470900), (500, 419101), (554, 378250), (850, 246530), (890, 235450), (1108, 189125), (1385, 151300), (1513, 138500), (1700, 123265), (1780, 117725), (2125, 98612), (2225, 94180), (2770, 75650), (3026, 69250), (4250, 49306), (4450, 47090), (4709, 44500), (5540, 37825), (6052, 34625), (6925, 30260), (7565, 27700), (8500, 24653), (8900, 23545), (9418, 22250), (11125, 18836), (13850, 15130)]