172384180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{8969}}^1$

素因数の和:9040

約数の個数: 36

約数和(自身を含む): 374102820

約数和(自身を除く): 201718640

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 8969, 9610, 17938, 19220, 35876, 44845, 89690, 179380, 278039, 556078, 1112156, 1390195, 2780390, 5560780, 8619209, 17238418, 34476836, 43096045, 86192090, 172384180]

約数ペア:

[(1, 172384180), (2, 86192090), (4, 43096045), (5, 34476836), (10, 17238418), (20, 8619209), (31, 5560780), (62, 2780390), (124, 1390195), (155, 1112156), (310, 556078), (620, 278039), (961, 179380), (1922, 89690), (3844, 44845), (4805, 35876), (8969, 19220), (9610, 17938)]