22278380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 49170240

約数和(自身を除く): 26891860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 541, 580, 710, 1082, 1420, 2059, 2164, 2705, 4118, 5410, 8236, 10295, 10820, 15689, 20590, 31378, 38411, 41180, 62756, 76822, 78445, 153644, 156890, 192055, 313780, 384110, 768220, 1113919, 2227838, 4455676, 5569595, 11139190, 22278380]

約数ペア:

[(1, 22278380), (2, 11139190), (4, 5569595), (5, 4455676), (10, 2227838), (20, 1113919), (29, 768220), (58, 384110), (71, 313780), (116, 192055), (142, 156890), (145, 153644), (284, 78445), (290, 76822), (355, 62756), (541, 41180), (580, 38411), (710, 31378), (1082, 20590), (1420, 15689), (2059, 10820), (2164, 10295), (2705, 8236), (4118, 5410)]