31785320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16217}}^1$

素因数の和:16242

約数の個数: 48

約数和(自身を含む): 83198340

約数和(自身を除く): 51413020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16217, 32434, 64868, 81085, 113519, 129736, 162170, 227038, 324340, 454076, 567595, 648680, 794633, 908152, 1135190, 1589266, 2270380, 3178532, 3973165, 4540760, 6357064, 7946330, 15892660, 31785320]

約数ペア:

[(1, 31785320), (2, 15892660), (4, 7946330), (5, 6357064), (7, 4540760), (8, 3973165), (10, 3178532), (14, 2270380), (20, 1589266), (28, 1135190), (35, 908152), (40, 794633), (49, 648680), (56, 567595), (70, 454076), (98, 324340), (140, 227038), (196, 162170), (245, 129736), (280, 113519), (392, 81085), (490, 64868), (980, 32434), (1960, 16217)]