156945973790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1\times {\mathrm{220687}}^1$

素因数の和:220929

約数の個数: 48

約数和(自身を含む): 299668704192

約数和(自身を除く): 142722730402

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 361, 394, 722, 985, 1805, 1970, 3610, 3743, 7486, 18715, 37430, 71117, 142234, 220687, 355585, 441374, 711170, 1103435, 2206870, 4193053, 8386106, 20965265, 41930530, 43475339, 79668007, 86950678, 159336014, 217376695, 398340035, 434753390, 796680070, 826031441, 1652062882, 4130157205, 8260314410, 15694597379, 31389194758, 78472986895, 156945973790]

約数ペア:

[(1, 156945973790), (2, 78472986895), (5, 31389194758), (10, 15694597379), (19, 8260314410), (38, 4130157205), (95, 1652062882), (190, 826031441), (197, 796680070), (361, 434753390), (394, 398340035), (722, 217376695), (985, 159336014), (1805, 86950678), (1970, 79668007), (3610, 43475339), (3743, 41930530), (7486, 20965265), (18715, 8386106), (37430, 4193053), (71117, 2206870), (142234, 1103435), (220687, 711170), (355585, 441374)]