194781520

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{33353}}^1$

素因数の和:33439

約数の個数: 40

約数和(自身を含む): 459084456

約数和(自身を除く): 264302936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 33353, 66706, 133412, 166765, 266824, 333530, 533648, 667060, 1334120, 2434769, 2668240, 4869538, 9739076, 12173845, 19478152, 24347690, 38956304, 48695380, 97390760, 194781520]

約数ペア:

[(1, 194781520), (2, 97390760), (4, 48695380), (5, 38956304), (8, 24347690), (10, 19478152), (16, 12173845), (20, 9739076), (40, 4869538), (73, 2668240), (80, 2434769), (146, 1334120), (292, 667060), (365, 533648), (584, 333530), (730, 266824), (1168, 166765), (1460, 133412), (2920, 66706), (5840, 33353)]