1640676870980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{113777869}}^1$

素因数の和:113777988

約数の個数: 48

約数和(自身を含む): 3975853889280

約数和(自身を除く): 2335177018300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 113777869, 227555738, 455111476, 568889345, 796445083, 1137778690, 1592890166, 2275557380, 3185780332, 3982225415, 7964450830, 11719120507, 15928901660, 23438241014, 46876482028, 58595602535, 82033843549, 117191205070, 164067687098, 234382410140, 328135374196, 410169217745, 820338435490, 1640676870980]

約数ペア:

[(1, 1640676870980), (2, 820338435490), (4, 410169217745), (5, 328135374196), (7, 234382410140), (10, 164067687098), (14, 117191205070), (20, 82033843549), (28, 58595602535), (35, 46876482028), (70, 23438241014), (103, 15928901660), (140, 11719120507), (206, 7964450830), (412, 3982225415), (515, 3185780332), (721, 2275557380), (1030, 1592890166), (1442, 1137778690), (2060, 796445083), (2884, 568889345), (3605, 455111476), (7210, 227555738), (14420, 113777869)]