216097980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{514519}}^1$

素因数の和:514538

約数の個数: 48

約数和(自身を含む): 691514880

約数和(自身を除く): 475416900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 514519, 1029038, 1543557, 2058076, 2572595, 3087114, 3601633, 5145190, 6174228, 7203266, 7717785, 10290380, 10804899, 14406532, 15435570, 18008165, 21609798, 30871140, 36016330, 43219596, 54024495, 72032660, 108048990, 216097980]

約数ペア:

[(1, 216097980), (2, 108048990), (3, 72032660), (4, 54024495), (5, 43219596), (6, 36016330), (7, 30871140), (10, 21609798), (12, 18008165), (14, 15435570), (15, 14406532), (20, 10804899), (21, 10290380), (28, 7717785), (30, 7203266), (35, 6174228), (42, 5145190), (60, 3601633), (70, 3087114), (84, 2572595), (105, 2058076), (140, 1543557), (210, 1029038), (420, 514519)]