30399824

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20879}}^1$

素因数の和:20907

約数の個数: 40

約数和(自身を含む): 72495360

約数和(自身を除く): 42095536

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 20879, 41758, 83516, 146153, 167032, 271427, 292306, 334064, 542854, 584612, 1085708, 1169224, 1899989, 2171416, 2338448, 3799978, 4342832, 7599956, 15199912, 30399824]

約数ペア:

[(1, 30399824), (2, 15199912), (4, 7599956), (7, 4342832), (8, 3799978), (13, 2338448), (14, 2171416), (16, 1899989), (26, 1169224), (28, 1085708), (52, 584612), (56, 542854), (91, 334064), (104, 292306), (112, 271427), (182, 167032), (208, 146153), (364, 83516), (728, 41758), (1456, 20879)]