209795460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71359}}^1$

素因数の和:71385

約数の個数: 72

約数和(自身を含む): 683343360

約数和(自身を除く): 473547900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 71359, 142718, 214077, 285436, 356795, 428154, 499513, 713590, 856308, 999026, 1070385, 1427180, 1498539, 1998052, 2140770, 2497565, 2997078, 3496591, 4281540, 4995130, 5994156, 6993182, 7492695, 9990260, 10489773, 13986364, 14985390, 17482955, 20979546, 29970780, 34965910, 41959092, 52448865, 69931820, 104897730, 209795460]

約数ペア:

[(1, 209795460), (2, 104897730), (3, 69931820), (4, 52448865), (5, 41959092), (6, 34965910), (7, 29970780), (10, 20979546), (12, 17482955), (14, 14985390), (15, 13986364), (20, 10489773), (21, 9990260), (28, 7492695), (30, 6993182), (35, 5994156), (42, 4995130), (49, 4281540), (60, 3496591), (70, 2997078), (84, 2497565), (98, 2140770), (105, 1998052), (140, 1498539), (147, 1427180), (196, 1070385), (210, 999026), (245, 856308), (294, 713590), (420, 499513), (490, 428154), (588, 356795), (735, 285436), (980, 214077), (1470, 142718), (2940, 71359)]