156507860

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{30449}}^1$

素因数の和:30715

約数の個数: 24

約数和(自身を含む): 329956200

約数和(自身を除く): 173448340

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 30449, 60898, 121796, 152245, 304490, 608980, 7825393, 15650786, 31301572, 39126965, 78253930, 156507860]

約数ペア:

[(1, 156507860), (2, 78253930), (4, 39126965), (5, 31301572), (10, 15650786), (20, 7825393), (257, 608980), (514, 304490), (1028, 152245), (1285, 121796), (2570, 60898), (5140, 30449)]