157684420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{414959}}^1$

素因数の和:414987

約数の個数: 24

約数和(自身を含む): 348566400

約数和(自身を除く): 190881980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 414959, 829918, 1659836, 2074795, 4149590, 7884221, 8299180, 15768442, 31536884, 39421105, 78842210, 157684420]

約数ペア:

[(1, 157684420), (2, 78842210), (4, 39421105), (5, 31536884), (10, 15768442), (19, 8299180), (20, 7884221), (38, 4149590), (76, 2074795), (95, 1659836), (190, 829918), (380, 414959)]