388130140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 826676928

約数和(自身を除く): 438546788

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 263, 452, 526, 565, 653, 1052, 1130, 1306, 1315, 2260, 2612, 2630, 3265, 5260, 6530, 13060, 29719, 59438, 73789, 118876, 147578, 148595, 171739, 295156, 297190, 343478, 368945, 594380, 686956, 737890, 858695, 1475780, 1717390, 3434780, 19406507, 38813014, 77626028, 97032535, 194065070, 388130140]

約数ペア:

[(1, 388130140), (2, 194065070), (4, 97032535), (5, 77626028), (10, 38813014), (20, 19406507), (113, 3434780), (226, 1717390), (263, 1475780), (452, 858695), (526, 737890), (565, 686956), (653, 594380), (1052, 368945), (1130, 343478), (1306, 297190), (1315, 295156), (2260, 171739), (2612, 148595), (2630, 147578), (3265, 118876), (5260, 73789), (6530, 59438), (13060, 29719)]