159384920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209717}}^1$

素因数の和:209747

約数の個数: 32

約数和(自身を含む): 377492400

約数和(自身を除く): 218107480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 209717, 419434, 838868, 1048585, 1677736, 2097170, 3984623, 4194340, 7969246, 8388680, 15938492, 19923115, 31876984, 39846230, 79692460, 159384920]

約数ペア:

[(1, 159384920), (2, 79692460), (4, 39846230), (5, 31876984), (8, 19923115), (10, 15938492), (19, 8388680), (20, 7969246), (38, 4194340), (40, 3984623), (76, 2097170), (95, 1677736), (152, 1048585), (190, 838868), (380, 419434), (760, 209717)]