319940012

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1711

約数の個数: 72

約数和(自身を含む): 698952240

約数和(自身を除く): 379012228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 53, 76, 98, 106, 133, 196, 212, 266, 371, 532, 742, 931, 1007, 1484, 1621, 1862, 2014, 2597, 3242, 3724, 4028, 5194, 6484, 7049, 10388, 11347, 14098, 22694, 28196, 30799, 45388, 49343, 61598, 79429, 85913, 98686, 123196, 158858, 171826, 197372, 215593, 317716, 343652, 431186, 601391, 862372, 1202782, 1509151, 1632347, 2405564, 3018302, 3264694, 4209737, 6036604, 6529388, 8419474, 11426429, 16838948, 22852858, 45705716, 79985003, 159970006, 319940012]

約数ペア:

[(1, 319940012), (2, 159970006), (4, 79985003), (7, 45705716), (14, 22852858), (19, 16838948), (28, 11426429), (38, 8419474), (49, 6529388), (53, 6036604), (76, 4209737), (98, 3264694), (106, 3018302), (133, 2405564), (196, 1632347), (212, 1509151), (266, 1202782), (371, 862372), (532, 601391), (742, 431186), (931, 343652), (1007, 317716), (1484, 215593), (1621, 197372), (1862, 171826), (2014, 158858), (2597, 123196), (3242, 98686), (3724, 85913), (4028, 79429), (5194, 61598), (6484, 49343), (7049, 45388), (10388, 30799), (11347, 28196), (14098, 22694)]