268520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 707940

約数和(自身を除く): 439420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 196, 245, 274, 280, 392, 490, 548, 685, 959, 980, 1096, 1370, 1918, 1960, 2740, 3836, 4795, 5480, 6713, 7672, 9590, 13426, 19180, 26852, 33565, 38360, 53704, 67130, 134260, 268520]

約数ペア:

[(1, 268520), (2, 134260), (4, 67130), (5, 53704), (7, 38360), (8, 33565), (10, 26852), (14, 19180), (20, 13426), (28, 9590), (35, 7672), (40, 6713), (49, 5480), (56, 4795), (70, 3836), (98, 2740), (137, 1960), (140, 1918), (196, 1370), (245, 1096), (274, 980), (280, 959), (392, 685), (490, 548)]