130331260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1741}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 289729440

約数和(自身を除く): 159398180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 380, 394, 788, 985, 1741, 1970, 3482, 3743, 3940, 6964, 7486, 8705, 14972, 17410, 18715, 33079, 34820, 37430, 66158, 74860, 132316, 165395, 330790, 342977, 661580, 685954, 1371908, 1714885, 3429770, 6516563, 6859540, 13033126, 26066252, 32582815, 65165630, 130331260]

約数ペア:

[(1, 130331260), (2, 65165630), (4, 32582815), (5, 26066252), (10, 13033126), (19, 6859540), (20, 6516563), (38, 3429770), (76, 1714885), (95, 1371908), (190, 685954), (197, 661580), (380, 342977), (394, 330790), (788, 165395), (985, 132316), (1741, 74860), (1970, 66158), (3482, 37430), (3743, 34820), (3940, 33079), (6964, 18715), (7486, 17410), (8705, 14972)]