315248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 40

約数和(自身を含む): 691920

約数和(自身を除く): 376672

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 61, 68, 76, 122, 136, 152, 244, 272, 304, 323, 488, 646, 976, 1037, 1159, 1292, 2074, 2318, 2584, 4148, 4636, 5168, 8296, 9272, 16592, 18544, 19703, 39406, 78812, 157624, 315248]

約数ペア:

[(1, 315248), (2, 157624), (4, 78812), (8, 39406), (16, 19703), (17, 18544), (19, 16592), (34, 9272), (38, 8296), (61, 5168), (68, 4636), (76, 4148), (122, 2584), (136, 2318), (152, 2074), (244, 1292), (272, 1159), (304, 1037), (323, 976), (488, 646)]