140640128

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{57829}}^1$

素因数の和:57862

約数の個数: 32

約数和(自身を含む): 294933000

約数和(自身を除く): 154292872

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 57829, 115658, 231316, 462632, 925264, 1098751, 1850528, 2197502, 3701056, 4395004, 7402112, 8790008, 17580016, 35160032, 70320064, 140640128]

約数ペア:

[(1, 140640128), (2, 70320064), (4, 35160032), (8, 17580016), (16, 8790008), (19, 7402112), (32, 4395004), (38, 3701056), (64, 2197502), (76, 1850528), (128, 1098751), (152, 925264), (304, 462632), (608, 231316), (1216, 115658), (2432, 57829)]