678751430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{10111}}^1$

素因数の和:10269

約数の個数: 48

約数和(自身を含む): 1431737856

約数和(自身を除く): 752986426

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 245, 274, 490, 685, 959, 1370, 1918, 4795, 6713, 9590, 10111, 13426, 20222, 33565, 50555, 67130, 70777, 101110, 141554, 353885, 495439, 707770, 990878, 1385207, 2477195, 2770414, 4954390, 6926035, 9696449, 13852070, 19392898, 48482245, 67875143, 96964490, 135750286, 339375715, 678751430]

約数ペア:

[(1, 678751430), (2, 339375715), (5, 135750286), (7, 96964490), (10, 67875143), (14, 48482245), (35, 19392898), (49, 13852070), (70, 9696449), (98, 6926035), (137, 4954390), (245, 2770414), (274, 2477195), (490, 1385207), (685, 990878), (959, 707770), (1370, 495439), (1918, 353885), (4795, 141554), (6713, 101110), (9590, 70777), (10111, 67130), (13426, 50555), (20222, 33565)]