27909980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199357}}^1$

素因数の和:199373

約数の個数: 24

約数和(自身を含む): 66984288

約数和(自身を除く): 39074308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199357, 398714, 797428, 996785, 1395499, 1993570, 2790998, 3987140, 5581996, 6977495, 13954990, 27909980]

約数ペア:

[(1, 27909980), (2, 13954990), (4, 6977495), (5, 5581996), (7, 3987140), (10, 2790998), (14, 1993570), (20, 1395499), (28, 996785), (35, 797428), (70, 398714), (140, 199357)]