141020540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 301752192

約数和(自身を除く): 160731652

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 314, 388, 463, 485, 628, 785, 926, 970, 1570, 1852, 1940, 2315, 3140, 4630, 9260, 15229, 30458, 44911, 60916, 72691, 76145, 89822, 145382, 152290, 179644, 224555, 290764, 304580, 363455, 449110, 726910, 898220, 1453820, 7051027, 14102054, 28204108, 35255135, 70510270, 141020540]

約数ペア:

[(1, 141020540), (2, 70510270), (4, 35255135), (5, 28204108), (10, 14102054), (20, 7051027), (97, 1453820), (157, 898220), (194, 726910), (314, 449110), (388, 363455), (463, 304580), (485, 290764), (628, 224555), (785, 179644), (926, 152290), (970, 145382), (1570, 89822), (1852, 76145), (1940, 72691), (2315, 60916), (3140, 44911), (4630, 30458), (9260, 15229)]