138120400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31391}}^1$

素因数の和:31420

約数の個数: 60

約数和(自身を含む): 362012544

約数和(自身を除く): 223892144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 31391, 62782, 125564, 156955, 251128, 313910, 345301, 502256, 627820, 690602, 784775, 1255640, 1381204, 1569550, 1726505, 2511280, 2762408, 3139100, 3453010, 5524816, 6278200, 6906020, 8632525, 12556400, 13812040, 17265050, 27624080, 34530100, 69060200, 138120400]

約数ペア:

[(1, 138120400), (2, 69060200), (4, 34530100), (5, 27624080), (8, 17265050), (10, 13812040), (11, 12556400), (16, 8632525), (20, 6906020), (22, 6278200), (25, 5524816), (40, 3453010), (44, 3139100), (50, 2762408), (55, 2511280), (80, 1726505), (88, 1569550), (100, 1381204), (110, 1255640), (176, 784775), (200, 690602), (220, 627820), (275, 502256), (400, 345301), (440, 313910), (550, 251128), (880, 156955), (1100, 125564), (2200, 62782), (4400, 31391)]