66978100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13669}}^1$

素因数の和:13697

約数の個数: 54

約数和(自身を含む): 169084230

約数和(自身を除く): 102106130

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 13669, 27338, 54676, 68345, 95683, 136690, 191366, 273380, 341725, 382732, 478415, 669781, 683450, 956830, 1339562, 1366900, 1913660, 2392075, 2679124, 3348905, 4784150, 6697810, 9568300, 13395620, 16744525, 33489050, 66978100]

約数ペア:

[(1, 66978100), (2, 33489050), (4, 16744525), (5, 13395620), (7, 9568300), (10, 6697810), (14, 4784150), (20, 3348905), (25, 2679124), (28, 2392075), (35, 1913660), (49, 1366900), (50, 1339562), (70, 956830), (98, 683450), (100, 669781), (140, 478415), (175, 382732), (196, 341725), (245, 273380), (350, 191366), (490, 136690), (700, 95683), (980, 68345), (1225, 54676), (2450, 27338), (4900, 13669)]