149546840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{38543}}^1$

素因数の和:38651

約数の個数: 32

約数和(自身を含む): 339958080

約数和(自身を除く): 190411240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 38543, 77086, 154172, 192715, 308344, 385430, 770860, 1541720, 3738671, 7477342, 14954684, 18693355, 29909368, 37386710, 74773420, 149546840]

約数ペア:

[(1, 149546840), (2, 74773420), (4, 37386710), (5, 29909368), (8, 18693355), (10, 14954684), (20, 7477342), (40, 3738671), (97, 1541720), (194, 770860), (388, 385430), (485, 308344), (776, 192715), (970, 154172), (1940, 77086), (3880, 38543)]