105204140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1103}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 233694720

約数和(自身を除く): 128490580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 251, 380, 502, 1004, 1103, 1255, 2206, 2510, 4412, 4769, 5020, 5515, 9538, 11030, 19076, 20957, 22060, 23845, 41914, 47690, 83828, 95380, 104785, 209570, 276853, 419140, 553706, 1107412, 1384265, 2768530, 5260207, 5537060, 10520414, 21040828, 26301035, 52602070, 105204140]

約数ペア:

[(1, 105204140), (2, 52602070), (4, 26301035), (5, 21040828), (10, 10520414), (19, 5537060), (20, 5260207), (38, 2768530), (76, 1384265), (95, 1107412), (190, 553706), (251, 419140), (380, 276853), (502, 209570), (1004, 104785), (1103, 95380), (1255, 83828), (2206, 47690), (2510, 41914), (4412, 23845), (4769, 22060), (5020, 20957), (5515, 19076), (9538, 11030)]