128875180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7027}}^1$

素因数の和:7174

約数の個数: 48

約数和(自身を含む): 311705856

約数和(自身を除く): 182830676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 7027, 9170, 14054, 18340, 28108, 35135, 49189, 70270, 98378, 140540, 196756, 245945, 491890, 920537, 983780, 1841074, 3682148, 4602685, 6443759, 9205370, 12887518, 18410740, 25775036, 32218795, 64437590, 128875180]

約数ペア:

[(1, 128875180), (2, 64437590), (4, 32218795), (5, 25775036), (7, 18410740), (10, 12887518), (14, 9205370), (20, 6443759), (28, 4602685), (35, 3682148), (70, 1841074), (131, 983780), (140, 920537), (262, 491890), (524, 245945), (655, 196756), (917, 140540), (1310, 98378), (1834, 70270), (2620, 49189), (3668, 35135), (4585, 28108), (7027, 18340), (9170, 14054)]