138212860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 296980992

約数和(自身を除く): 158768132

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 262, 284, 355, 524, 655, 710, 743, 1310, 1420, 1486, 2620, 2972, 3715, 7430, 9301, 14860, 18602, 37204, 46505, 52753, 93010, 97333, 105506, 186020, 194666, 211012, 263765, 389332, 486665, 527530, 973330, 1055060, 1946660, 6910643, 13821286, 27642572, 34553215, 69106430, 138212860]

約数ペア:

[(1, 138212860), (2, 69106430), (4, 34553215), (5, 27642572), (10, 13821286), (20, 6910643), (71, 1946660), (131, 1055060), (142, 973330), (262, 527530), (284, 486665), (355, 389332), (524, 263765), (655, 211012), (710, 194666), (743, 186020), (1310, 105506), (1420, 97333), (1486, 93010), (2620, 52753), (2972, 46505), (3715, 37204), (7430, 18602), (9301, 14860)]