157309700

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{6121}}^1$

素因数の和:6392

約数の個数: 36

約数和(自身を含む): 342746292

約数和(自身を除く): 185436592

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 5140, 6121, 6425, 12242, 12850, 24484, 25700, 30605, 61210, 122420, 153025, 306050, 612100, 1573097, 3146194, 6292388, 7865485, 15730970, 31461940, 39327425, 78654850, 157309700]

約数ペア:

[(1, 157309700), (2, 78654850), (4, 39327425), (5, 31461940), (10, 15730970), (20, 7865485), (25, 6292388), (50, 3146194), (100, 1573097), (257, 612100), (514, 306050), (1028, 153025), (1285, 122420), (2570, 61210), (5140, 30605), (6121, 25700), (6425, 24484), (12242, 12850)]