88379380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 190270080

約数和(自身を除く): 101890700

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 218, 284, 355, 436, 545, 571, 710, 1090, 1142, 1420, 2180, 2284, 2855, 5710, 7739, 11420, 15478, 30956, 38695, 40541, 62239, 77390, 81082, 124478, 154780, 162164, 202705, 248956, 311195, 405410, 622390, 810820, 1244780, 4418969, 8837938, 17675876, 22094845, 44189690, 88379380]

約数ペア:

[(1, 88379380), (2, 44189690), (4, 22094845), (5, 17675876), (10, 8837938), (20, 4418969), (71, 1244780), (109, 810820), (142, 622390), (218, 405410), (284, 311195), (355, 248956), (436, 202705), (545, 162164), (571, 154780), (710, 124478), (1090, 81082), (1142, 77390), (1420, 62239), (2180, 40541), (2284, 38695), (2855, 30956), (5710, 15478), (7739, 11420)]