199962470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{3121}}^1$

素因数の和:3320

約数の個数: 32

約数和(自身を含む): 370893600

約数和(自身を除く): 170931130

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 430, 745, 1490, 3121, 6242, 6407, 12814, 15605, 31210, 32035, 64070, 134203, 268406, 465029, 671015, 930058, 1342030, 2325145, 4650290, 19996247, 39992494, 99981235, 199962470]

約数ペア:

[(1, 199962470), (2, 99981235), (5, 39992494), (10, 19996247), (43, 4650290), (86, 2325145), (149, 1342030), (215, 930058), (298, 671015), (430, 465029), (745, 268406), (1490, 134203), (3121, 64070), (6242, 32035), (6407, 31210), (12814, 15605)]