12746860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13007}}^1$

素因数の和:13030

約数の個数: 36

約数和(自身を含む): 31141152

約数和(自身を除く): 18394292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13007, 26014, 52028, 65035, 91049, 130070, 182098, 260140, 364196, 455245, 637343, 910490, 1274686, 1820980, 2549372, 3186715, 6373430, 12746860]

約数ペア:

[(1, 12746860), (2, 6373430), (4, 3186715), (5, 2549372), (7, 1820980), (10, 1274686), (14, 910490), (20, 637343), (28, 455245), (35, 364196), (49, 260140), (70, 182098), (98, 130070), (140, 91049), (196, 65035), (245, 52028), (490, 26014), (980, 13007)]