215918470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{24179}}^1$

素因数の和:24252

約数の個数: 32

約数和(自身を含む): 417830400

約数和(自身を除く): 201911930

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 24179, 48358, 120895, 241790, 459401, 918802, 1136413, 2272826, 2297005, 4594010, 5682065, 11364130, 21591847, 43183694, 107959235, 215918470]

約数ペア:

[(1, 215918470), (2, 107959235), (5, 43183694), (10, 21591847), (19, 11364130), (38, 5682065), (47, 4594010), (94, 2297005), (95, 2272826), (190, 1136413), (235, 918802), (470, 459401), (893, 241790), (1786, 120895), (4465, 48358), (8930, 24179)]