207978670

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{1439}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 381024000

約数和(自身を除く): 173045330

約数列:

[1, 2, 5, 10, 97, 149, 194, 298, 485, 745, 970, 1439, 1490, 2878, 7195, 14390, 14453, 28906, 72265, 139583, 144530, 214411, 279166, 428822, 697915, 1072055, 1395830, 2144110, 20797867, 41595734, 103989335, 207978670]

約数ペア:

[(1, 207978670), (2, 103989335), (5, 41595734), (10, 20797867), (97, 2144110), (149, 1395830), (194, 1072055), (298, 697915), (485, 428822), (745, 279166), (970, 214411), (1439, 144530), (1490, 139583), (2878, 72265), (7195, 28906), (14390, 14453)]