620248

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 1249920

約数和(自身を除く): 629672

約数列:

[1, 2, 4, 8, 31, 41, 61, 62, 82, 122, 124, 164, 244, 248, 328, 488, 1271, 1891, 2501, 2542, 3782, 5002, 5084, 7564, 10004, 10168, 15128, 20008, 77531, 155062, 310124, 620248]

約数ペア:

[(1, 620248), (2, 310124), (4, 155062), (8, 77531), (31, 20008), (41, 15128), (61, 10168), (62, 10004), (82, 7564), (122, 5084), (124, 5002), (164, 3782), (244, 2542), (248, 2501), (328, 1891), (488, 1271)]