220175480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18287}}^1$

素因数の和:18348

約数の個数: 64

約数和(自身を含む): 579363840

約数和(自身を除く): 359188360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 18287, 36574, 73148, 91435, 128009, 146296, 182870, 256018, 365740, 512036, 640045, 731480, 786341, 1024072, 1280090, 1572682, 2560180, 3145364, 3931705, 5120360, 5504387, 6290728, 7863410, 11008774, 15726820, 22017548, 27521935, 31453640, 44035096, 55043870, 110087740, 220175480]

約数ペア:

[(1, 220175480), (2, 110087740), (4, 55043870), (5, 44035096), (7, 31453640), (8, 27521935), (10, 22017548), (14, 15726820), (20, 11008774), (28, 7863410), (35, 6290728), (40, 5504387), (43, 5120360), (56, 3931705), (70, 3145364), (86, 2560180), (140, 1572682), (172, 1280090), (215, 1024072), (280, 786341), (301, 731480), (344, 640045), (430, 512036), (602, 365740), (860, 256018), (1204, 182870), (1505, 146296), (1720, 128009), (2408, 91435), (3010, 73148), (6020, 36574), (12040, 18287)]