201217660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1709}}^1$

素因数の和:1783

約数の個数: 72

約数和(自身を含む): 500441760

約数和(自身を除く): 299224100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 841, 1015, 1682, 1709, 2030, 3364, 3418, 4060, 4205, 5887, 6836, 8410, 8545, 11774, 11963, 16820, 17090, 23548, 23926, 29435, 34180, 47852, 49561, 58870, 59815, 99122, 117740, 119630, 198244, 239260, 247805, 346927, 495610, 693854, 991220, 1387708, 1437269, 1734635, 2874538, 3469270, 5749076, 6938540, 7186345, 10060883, 14372690, 20121766, 28745380, 40243532, 50304415, 100608830, 201217660]

約数ペア:

[(1, 201217660), (2, 100608830), (4, 50304415), (5, 40243532), (7, 28745380), (10, 20121766), (14, 14372690), (20, 10060883), (28, 7186345), (29, 6938540), (35, 5749076), (58, 3469270), (70, 2874538), (116, 1734635), (140, 1437269), (145, 1387708), (203, 991220), (290, 693854), (406, 495610), (580, 346927), (812, 247805), (841, 239260), (1015, 198244), (1682, 119630), (1709, 117740), (2030, 99122), (3364, 59815), (3418, 58870), (4060, 49561), (4205, 47852), (5887, 34180), (6836, 29435), (8410, 23926), (8545, 23548), (11774, 17090), (11963, 16820)]