40214678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 74432160

約数和(自身を除く): 34217482

約数列:

[1, 2, 7, 14, 19, 38, 73, 109, 133, 146, 218, 266, 361, 511, 722, 763, 1022, 1387, 1526, 2071, 2527, 2774, 4142, 5054, 7957, 9709, 14497, 15914, 19418, 26353, 28994, 39349, 52706, 55699, 78698, 111398, 151183, 184471, 275443, 302366, 368942, 550886, 1058281, 2116562, 2872477, 5744954, 20107339, 40214678]

約数ペア:

[(1, 40214678), (2, 20107339), (7, 5744954), (14, 2872477), (19, 2116562), (38, 1058281), (73, 550886), (109, 368942), (133, 302366), (146, 275443), (218, 184471), (266, 151183), (361, 111398), (511, 78698), (722, 55699), (763, 52706), (1022, 39349), (1387, 28994), (1526, 26353), (2071, 19418), (2527, 15914), (2774, 14497), (4142, 9709), (5054, 7957)]