77219140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 168376320

約数和(自身を除く): 91157180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 269, 310, 463, 538, 620, 926, 1076, 1345, 1852, 2315, 2690, 4630, 5380, 8339, 9260, 14353, 16678, 28706, 33356, 41695, 57412, 71765, 83390, 124547, 143530, 166780, 249094, 287060, 498188, 622735, 1245470, 2490940, 3860957, 7721914, 15443828, 19304785, 38609570, 77219140]

約数ペア:

[(1, 77219140), (2, 38609570), (4, 19304785), (5, 15443828), (10, 7721914), (20, 3860957), (31, 2490940), (62, 1245470), (124, 622735), (155, 498188), (269, 287060), (310, 249094), (463, 166780), (538, 143530), (620, 124547), (926, 83390), (1076, 71765), (1345, 57412), (1852, 41695), (2315, 33356), (2690, 28706), (4630, 16678), (5380, 14353), (8339, 9260)]