139217820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47353}}^1$

素因数の和:47379

約数の個数: 72

約数和(自身を含む): 453461904

約数和(自身を除く): 314244084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 47353, 94706, 142059, 189412, 236765, 284118, 331471, 473530, 568236, 662942, 710295, 947060, 994413, 1325884, 1420590, 1657355, 1988826, 2320297, 2841180, 3314710, 3977652, 4640594, 4972065, 6629420, 6960891, 9281188, 9944130, 11601485, 13921782, 19888260, 23202970, 27843564, 34804455, 46405940, 69608910, 139217820]

約数ペア:

[(1, 139217820), (2, 69608910), (3, 46405940), (4, 34804455), (5, 27843564), (6, 23202970), (7, 19888260), (10, 13921782), (12, 11601485), (14, 9944130), (15, 9281188), (20, 6960891), (21, 6629420), (28, 4972065), (30, 4640594), (35, 3977652), (42, 3314710), (49, 2841180), (60, 2320297), (70, 1988826), (84, 1657355), (98, 1420590), (105, 1325884), (140, 994413), (147, 947060), (196, 710295), (210, 662942), (245, 568236), (294, 473530), (420, 331471), (490, 284118), (588, 236765), (735, 189412), (980, 142059), (1470, 94706), (2940, 47353)]