140749420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43711}}^1$

素因数の和:43750

約数の個数: 48

約数和(自身を含む): 352493568

約数和(自身を除く): 211744148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 43711, 87422, 174844, 218555, 305977, 437110, 611954, 874220, 1005353, 1223908, 1529885, 2010706, 3059770, 4021412, 5026765, 6119540, 7037471, 10053530, 14074942, 20107060, 28149884, 35187355, 70374710, 140749420]

約数ペア:

[(1, 140749420), (2, 70374710), (4, 35187355), (5, 28149884), (7, 20107060), (10, 14074942), (14, 10053530), (20, 7037471), (23, 6119540), (28, 5026765), (35, 4021412), (46, 3059770), (70, 2010706), (92, 1529885), (115, 1223908), (140, 1005353), (161, 874220), (230, 611954), (322, 437110), (460, 305977), (644, 218555), (805, 174844), (1610, 87422), (3220, 43711)]